Perhaps you should try some spelling variations:
informations costs » information costs, information cost, informations sur
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
developing seas » developing areas, developing east, developing self
costs 4 » costs a, costs 4.2, costs 4.4
4 oral » _ oral, 2 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations costs 4 oral communication costs _ developing seas areas.*.