Perhaps you should try some spelling variations:
informationsgehalt des » informationsgehalt der, informationsgehalts der, informationsgehalt eines
4 informationsgehalt » iv informationsgehalt, der informationsgehalt, 5.1 informationsgehalt
oral communication » personal communication
technologies 2 » technologies _, technologies 4
developing 2 » developing _, developing a, developing e
des oral » des moral, des oil, des orts
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 4 informationsgehalt des oral communication costs _ developing 2 areas.*.