Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien und » technologie und, technologien des, technologien fur
information cour » information code, information cost, information curb
und information » fund information, road information, award information
4 developing » 3 developing
de personal » der personal, des personal, de persona
cour de » cours de, coeur de, tour de
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien und information cour de personal communication costs 4 developing _ africa.*.