Perhaps you should try some spelling variations:
oral communication » personal communication
information based » information case, information bank, transformation based
technologien dis » technologien des, technologien als, technologien im
developing areas » developing asia, developing east, developing a
dis information » mis information, aids information, des informations
3 developing » 3 development
areas areas » areas arenas, seas areas, areas access
based die » basel die, based deep, based dm
die oral » die moral, die orte
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information based die oral communication costs 3 developing areas areas.*.