Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien fur » technologien des, technologien und, technologies 2
developing basin » developing asia, developing asian, developing based
fur information » zur information, fair information, your information
a developing » a development
basin areas » basin area, basic areas, base areas
debat oral » debat moral, debate moral, debat social
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information costs debat oral communication costs a developing basin areas.*.