Perhaps you should try some spelling variations:
"communication et l'entreprise" » "communication en l'entreprise", "communication entre l'entreprise", "communication de l'entreprise", "communication sur l'entreprise", "communication web d'entreprise"
"communication a l'entreprise" » "communication de l'entreprise", "communication dans l'entreprise"

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: (("communication et l'entreprise") OR ("communication a l'entreprise")).
• Removing quotes may allow a broader search: (( communication et l'entreprise ) or ( communication a l'entreprise )).
• Adding a wildcard symbol may retrieve word variants: (("communication et l'entreprise") or ("communication a l'entreprise"))*.