Perhaps you should try some spelling variations:
oral communication » personal communication
technologien od » technologien ad, technologien und, technologien _
information usd » information und, information use, information users
developing east » development east, developing a, developing asia
od information » d information, nd information, road information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
new oral » new moral, knew moral, new rural
usd new » und new, guid new
asezs. » sezs., aezs.

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

• Adding a wildcard symbol may retrieve word variants: technologien od information usd new oral communication costs 2.2 developing east asezs.*.