Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
meat personal » beauty personal, threat personal, dream personal
4 developing » 3 developing
developing e » developing _, developing a, developing east
costs meat » costs health
costs 4 » costs _, costs a, costs 4.2
e areas » 1 areas, 2 areas, 4 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 costs meat personal communication costs 4 developing e areas.*.