Perhaps you should try some spelling variations:
computer apple » computers applied, computer example, computer simple
computer appse » computer als, computer age, computer aids
life science » life sciences
apple. » appe., appse.
appl. » app., apps.
fire » file, five, firm

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((( computer apple. in life science ) OR ( computer appse. in life science ))) OR ( computer appl. in fire science )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( computer apple. in life science ) OR ( computer appse. in life science ))) or ( computer appl. in fire science ))".
• Adding a wildcard symbol may retrieve word variants: (((( computer apple. in life science ) OR ( computer appse. in life science ))) or ( computer appl. in fire science ))*.