Perhaps you should try some spelling variations:
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
information case » information based, information can, information costs
fur information » zur information, fair information, your information
developing 4 » developing _, developing a, developing e
case des » cases des, case das, phase des
des oral » des moral, des oil, des orts
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information case des oral communication costs _ developing 4 areas.*.