Perhaps you should try some spelling variations:
oral communication » personal communication
development aside » development aid, development asia, development guide
technologien des » technologien fur, technologien und, technologies 2
information used » information use, information users, information based
des information » des informations, does information, dis information
4 development » 2 development, 4 developing
used direct » use direct, uses direct, based direct
aside areas » marine areas, alpine areas, saline areas
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 des information used direct oral communication costs 4 development aside areas.*.