How to use google effectively?

Google is a full-text search engine.

It gets the image and video results of its "alt" and "title" tags.

It use the computerized "SPIDERS" to find the search terms(keyword which given to search).

It searches only title and meta tags.

1. Google is Case Sensitive?
     Ans : No.
    "Informations" or "informationS" or "INFORMATIONS" will get the same results.

2.Singular is different from plural?
   Ans : Yes.
   "Informations" different form "Information".

3. Order of words is important?
   Ans : Yes.
   "Information Technology" different from "Technology Information".

4. Google care for connection words?
   Ans : No.
   Ignores "I", "and", "not", "for" etc.,

5. Google limit the keywords?
   Ans : Yes.
   Search term limit is "32" words.

Search Terms :
  AllinTitle :
      allintitle:"information Technology".
      Get results which term appears in the title tag.

  AllinText :
       allintext:"information technology".
       Get results which term appears in the headings(h1,h2...h6) and body text.

  Allinanchor :
      allinanchor:"information technology".
      Get results which term appears in the URL's.

Special Syntax filter :
  Domain extensions based :
       information technology :.edu - Filter .edu extension domains only.
       Get the results which keyword contains in title tag and the domain extension should be .edu

  File extensions based :
      information technology :.pdf - Filter .pdf extension files only.
      Get the results which keyword contains in title tag and the file extension should be .pdf

  Find definitions :
      define:software.
      A simple definition for software.