Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
information case » information based, information can, information costs
developing basin » developing asia, developing asian, developing based
und information » fund information, road information, award information
basin areas » basin area, basic areas, base areas
case des » cases des, case das, phase des
des oral » des moral, des oil, des orts

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

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