Perhaps you should try some spelling variations:
information based » information case, information bank, transformation based
oil communication » oral communication, social communication, moral communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
developing east » development east, developing a, developing asia
4 developing » 3 developing
based des » based modes, based debt, based deep
des oil » does oil, des oid, debt oil
costs 4 » costs _, costs a, costs 4.2
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologien als information based des oil communication costs 4 developing east areal.*.