Perhaps you should try some spelling variations:
informationsgehalt des » informationsgehalt der, informationsgehalts der, informationsgehalt eines
iv informationsgehalt » iii informationsgehalt, 4 informationsgehalt, der informationsgehalt
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
developing 2 » developing _, developing a, developing e
des oral » des moral, des oil, des orts
2 areal » 2 real, _ areal, 2 areas
fur iv » fur av

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

• Adding a wildcard symbol may retrieve word variants: technologien fur iv informationsgehalt des oral communication costs _ developing 2 areal.*.