Perhaps you should try some spelling variations:
"kriminalitat informatique / enquetes" » "criminalite informatique / enquetes", "criminalistique informatique / enquetes"
"criminelles informatique / enquetes" » "criminalite informatique / enquetes", "rationnelles informatique / enquetes", "culturelles informatique / enquetes"
"formelles informatique / enquetes" » "formes informatique / enquetes", "donnees informatique / enquetes", "fenetres informatique / enquetes"

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: (("kriminalitat informatique / enquetes") OR ((("criminelles informatique / enquetes") OR ("formelles informatique / enquetes")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"kriminalitat informatique / enquetes\") or (((\"criminelles informatique / enquetes\") OR (\"formelles informatique / enquetes\"))))".
• Removing quotes may allow a broader search: (( kriminalitat informatique / enquetes ) or ((( criminelles informatique / enquetes ) OR ( formelles informatique / enquetes )))).
• Adding a wildcard symbol may retrieve word variants: (("kriminalitat informatique / enquetes") or ((("criminelles informatique / enquetes") OR ("formelles informatique / enquetes"))))*.