Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing base » developing based, developing east, developing brain
information 13 » information 1.3, information 3, information 1
3.3 developing » 4 developing, 2 developing, 1 developing
de personal » der personal, des personal, de persona
base areas » basic areas, based areal, basin areas
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
13 de » 13 die, 13 der, 13 des

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 13 de personal communication costs 3.3 developing base areas.*.