Use Google like a pro.

1. Use quotes to force an exact-match search:

"what is javascript"

2. AND operator will return only results related to both terms:

html AND css

3. You can use the OR operator to get the results related to one of the search terms

(javascript OR python) free course

4. - operator will exclude results that contain a term or phrase:

javascript -css

5. You can use the (*) wildcards as placeholders, which will be replaced by any word or phrase.

"how to start * in 6 months"

6. Search inside a single website:

site: http://freecodecamp.org 

7. You can also use a very useful feature that helps to find a specific file type.

filetype:pdf learn css

8. Search for a range of numbers:

ecmascript 2016..2018

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A few more tips.

9. Use the `before` operator to return only results before a given date

javascript before:2020

10. Use the `after` operator to return only results after a given date

web development after:2020