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

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 appl. in life sciences") OR ("computer apple. in fire science")).
• Removing quotes may allow a broader search: (( computer appl. in life sciences ) or ( computer apple. in fire science )).
• Adding a wildcard symbol may retrieve word variants: (("computer appl. in life sciences") or ("computer apple. in fire science"))*.