Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien nd » technologien und, technologien ad, technologie und
developing east » development east, developing a, developing asia
nd information » und information, d information, od information
a developing » a development
east areas » karst areas, east asezs
costs 3 » costs _, costs 4, costs 5
costs a » costs _, costs 4
3 oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information costs 3 oral communication costs a developing east areas.*.