Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
4.2 informations » 4.2 information, 2.2 information, 3.2 information
informations sur » informations und
4 developing » 3 developing
developing a » developing _
de personal » der personal, des personal, de persona
costs 4 » costs _, costs a, costs 4.2
a areal » _ areal, 2 areal, 4 areal
sur de » sur des, sur le, cur de

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

• Adding a wildcard symbol may retrieve word variants: technologies 4.2 informations sur de personal communication costs 4 developing a areal.*.