Answer:
Strategy based on some scenario as follow.
Step-by-step explanation:
For efficient and effective search for database let consider some point such as use and to combine the words
Jeffery want academic information and conserve energy
Use asterisk and question mark and exclamation point
academic information* energy
If database has a subject then find out it.
Global warming have not the phrase "global warming " anywhere in it.temperature records and climate change are two words