Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
und informations » und information, und informationen, fund information
developing areas » developing asia, developing east, developing a
areas areas » areas arenas, seas areas, areas access
die oral » die moral, die orte

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

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