Perhaps you should try some spelling variations:
al communication » oral communication, real communication, 3 communication
technologies 2 » technologies _, technologies 4
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
a areas » 1 areas, 2 areas, 4 areas
die al » die als, die alt, die alte

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information _ die al communication costs 4 developing a areas.*.