Perhaps you should try some spelling variations:
oral communication » personal communication
information banks » information bank, information thanks, information based
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
banks direct » bank director, banks great, banks first
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information banks direct oral communication costs 4 developing _ areas.*.