Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centre » information centers, information contents
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
developing v » developing av, developing _, developing a
b personal » a personal, 1 personal, 4 personal
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
centre b » centre _, centre a, centre c
v africa » 1 africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centre b personal communication costs 3.5 developing v africa.*.