Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
developing areas » developing asia, developing east, developing a
und information » fund information, road information, award information
information und » informations und
areas areas » areas arenas, seas areas, areas access
dess oral » des moral
und dess » und des, und dessen, und der

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

• Adding a wildcard symbol may retrieve word variants: technologien und information und dess oral communication costs _ developing areas areas.*.