Perhaps you should try some spelling variations:
personal communication » interpersonal communication
transformation und » transformation _, transformation a
technologien die » technologie die, technologien des, technologien im
code personal » model personal, some personal, de personal
4 developing » 3 developing
developing a » developing _
und code » und coda, land code, ussd code
costs 4 » costs _, costs a, costs 4.2
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien die transformation und code personal communication costs 4 developing a areas.*.