Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 3.2 » technologies 3.1, technologies 2, technologies 2.1
3.2 information » 4.2 information, 2.2 information, 2.3.2 information
information ich » information im, information i, information iii
developing e » developing _, developing a, developing east
die oral » die moral, die orte
ich die » sich die, reich die, auch die
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.2 information ich die oral communication costs _ developing e areas.*.