Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien fur » technologien des, technologien und, technologies 2
developing areas » developing asia, developing east, developing a
fur information » zur information, fair information, your information
areas arenas » areas trends, seas areas
costs a » costs 4
a oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information costs a oral communication costs _ developing areas arenas.*.