Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies die » technologies de, technologie die, technologies bit
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
4 personal » a personal, 1 personal, 1945 personal
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies die transformation _ 4 personal communication costs 3.3 developing a areal.*.