Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
developing based » development based, developing asia, developing east
des information » des informations, does information, dis information
information 13 » information 1.3, information 3, information 1
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
de personal » der personal, des personal, de persona
based areal » based real, base areas, based animal
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 4.2 developing based areal.*.