Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information source » information sources, information resource, information resources
technologie die » technologie de, technologie im, technologie der
die information » time information, life information, age information
3 developing » 3 development
developing a » developing _
de personal » der personal, des personal, de persona
source de » source des, source du, source code
a africa » 1 africa, can africa, em africa
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologie die information source de personal communication costs 3 developing a africa.*.