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Try these tips :
1. Use Of ‘+’ sign :
This ensures that the results returned to you will definatly consist of the word following the ‘+’ sign. For Eg :
Search: reviews of +iPhone and iPod
This will show results containing the word reviews or iPod but the results will definatly consist of iPhone !

2. Use Of ‘-’ sign :
Using ‘-’ sign before any word will ensure that the particular word will not be included in the results !

3. Use Of ‘~’ sign :
Using ‘~’ before any word will return the results also containing the synonyms of the word !

4. Search a particular site :
To search a particular website you can use the following syntax in the google search :
Search: site:www.xyz.com abc
For Eg :
Search: site:http://trickscafe.blogspot.com/ Google Search Tips

5. Define a word :
To get the definition of a word just use :
Search: define:abc
For Eg : Search: define:Computer
This will return you results which define ‘Computer’.

6. Find Pages similar to a page :
To find a page similar i.e. consisting of same type of content, use the following syntax :
Search: related:http://www.xyz.com/

7. Search for exact phrase :
To search a set of words exactly together i.e.
For Eg :
Search: “contact us”
This will return the results containing both contact and us together !

8. Using the wild card ‘*’ :
The * sign can be used in places where the whole word is not known.
For Eg:
Search: friend*
This will return the results containing friend , friends , friendship.

9. Using the ‘?’ sign :
This is used when the full spelling of the word is not known.
For Eg:
Search: fri??d
This will result that in the results in which any alphabet can take the place of ‘?’ sign.

10. Use of boolean operators :
The boolean operators like AND,OR,NOT can be used in search box to connect the words !
The search engine understands them as what they mean but the must be in capital letters !
For Eg:
Search: swim OR float
This will return the results containing either swim or float

A startup led by former star Google engineers on Sunday unveiled a new Web search service that aims to outdo the Internet search leader in size, but faces an uphill battle changing Web surfing habits. The technology it uses to index the web can understand the context surrounding each page and the concepts driving search requests, say the founders

Link here : http://www.cuil.com/ 

Gmail accounts from phishing eyes using https. Https keeps your email encrypted while it travels between your browser and gmail servers.

If you use public wi-fi you may want to use this option to secure your gmail account as it encrypts the data. Gmail sign on always goes through https, with the new option you can always use https encryption while using gmail.

To enable this option go to settings and choose “always use https” option. Gmail recently added an option to track the gmail activity and remote sign off if you are logged in on other computers.

Thanks To Ram