Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aux » technologien auf, technologien fur, technologien als
aux informations » a informations, als informations, neue informations
developing east » development east, developing a, developing asia
a developing » a development
east areas » karst areas, east asezs
17 oral » 17 moral, 1 oral, 10 oral
costs a » costs _, costs 4
und 17 » und 19, und 13, und 18

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

• Adding a wildcard symbol may retrieve word variants: technologien aux informations und 17 oral communication costs a developing east areas.*.