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

Try widening your search to All Fields.

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 appl. in fire science") OR ("computer apps. in fire science")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"computer apple. in life science\") or (((\"computer appl. in fire science\") OR (\"computer apps. in fire science\"))))".
• Removing quotes may allow a broader search: (( computer apple. in life science ) or ((( computer appl. in fire science ) OR ( computer apps. in fire science )))).
• Adding a wildcard symbol may retrieve word variants: (("computer apple. in life science") or ((("computer appl. in fire science") OR ("computer apps. in fire science"))))*.