Q: In order to find valuable information about people and business, students required to perform search on Internet. Can you share some technical tips to make this search safer and less time-consuming?

A: There are many articles in PCWorld that could help. Here is one tip from Sarah Purewal: 
How to Run an Online Background Check for Free:
 "You can also use site-specific searches if you're looking for someone within a school or business. For example: site:pcworld.com "sarah jacobsson purewal" will give a list of search results found only in the PCWorld.com domain." More