Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
developing basin » developing asia, developing asian, developing based
des information » des informations, does information, dis information
4 developing » 3 developing
case debat » care debate, case debating, false debate
debat oral » debat moral, debate moral, debat social
costs 4 » costs _, costs a, costs 4.2
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case debat oral communication costs 4 developing basin area.*.