Perhaps you should try some spelling variations:
oral communication » personal communication
developing basin » developing asia, developing asian, developing based
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
contents less » contents lists, contents list, contents lead
a developing » a development
basin areas » basin area, basic areas, base areas
less oral » less formal, class oral, less era
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information contents less oral communication costs a developing basin areas.*.