Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
developing based » development based, developing asia, developing east
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
a developing » a development
based areal » based real, base areas, based animal
costs des » costs fees
des oral » des moral, des oil, des orts
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information costs des oral communication costs a developing based areal.*.