Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien zur » technologien fur, technologien des, technologien und
developing areas » developing asia, developing east, developing a
zur information » fur information, your information, der information
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
information 3 » information 2
areas arenas » areas trends, seas areas
de personal » der personal, des personal, de persona
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information 3 de personal communication costs 3.5 developing areas arenas.*.