Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developing areas » developing asia, developing east, developing a
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
information 2 » information 3
die personal » die personale, de personal, die persona
areas arenas » areas trends, seas areas
costs 3.2 » costs 4.2, cost 3.2, costs 3.5

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 2 die personal communication costs 3.2 developing areas arenas.*.