You are using search engine from long time but know, How to include or exclude terms from your search engine results? . Don't worry read the article and hope it's clear all the basic concept behind Google search terms.
Objective: You will access a search engine and use the plus and minus signs to control your search.
Comments: Often, when you enter keywords into a search, it is difficult to know
what exactly the search is doing with those keywords – is it searching
for results containing all the terms, or just one? Simple search.
Methods: Can ensure you can control your search.

Let's try Google Advance Search With Some Example:

Goto Google homepage from www.google.co.in and search for-

indian revolution

Defiantly you will get number of search results. Might you noticed some important factors:
Search has retrieved both upper and lower case versions of these search terms – Google is not case-sensitive.
Now search for-

indian revolution -industry

This should reduce the number of results and make them more relevant to the Indian Revolution rather than the Industrial Revolution.

Google more effective Phrase Searching technique:

Using Google, enter the following search keyword:

meat free recipes

Do you feel they are? Are there any unexpected results?
See if you can work out why you might be retrieving irrelevant results.
Now enter the following search keyword:

"meat free" recipes

Examine your results (make a mental note of the number of results retrieved).
You should find that the results are more relevant – this is because Google is now searching for "meat free" as a main phrase, i.e. only returning results where the words appear next to each other in that order. Previously, you may have found results that contained meat recipes, but not necessarily exactly meat-free recipes!

Now come on the main topic of the post "Google Advance Search":

Above things is basic of Google advance search technique, if you go for Google advance search via URL. Google applied all the advance algorithm here as the above example.
To know more about the facts, Download Google Advance Search Pdf from Here !