Perhaps you should try some spelling variations:
personal communication » interpersonal communication
informations costs » information costs, information cost, informations sur
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
developing asia » development asia, developing a
1 personal » a personal, 4 personal, 1945 personal
asia areas » basic areas, aside areas, basin areas
costs 1 » costs 4, costs a, costs 5

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 1 personal communication costs _ developing asia areas.*.