Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
developing use » developing e, developing ce, developing csi
information 2 » information 3
de personal » der personal, des personal, de persona
2 de » 2 die, 2 der, _ de

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 de personal communication costs _ developing use africa.*.