Perhaps you should try some spelling variations:
oral communication » personal communication
technologie und » technologies 2.1
und information » fund information, road information, award information
information 1.2 » information 1.5.2, information 2
developing asia » development asia, developing a
4 developing » 3 developing
asia areas » basic areas, aside areas, basin areas
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2
1.2 de » 1.2 die, 1.2 der, 1.2 des

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

• Adding a wildcard symbol may retrieve word variants: technologie und information 1.2 de oral communication costs 4 developing asia areas.*.