Perhaps you should try some spelling variations:
dualen communication » scale communication, scales communication, human communication
information centre » information centers, information contents
15.3 developing » 1.3 developing, 10.3 developing, 5.3 developing
technologies 2 » technologies _, technologies 4
costs 15.3 » costs 12.3, costs 14.3, costs 5.3
centre de » centre _, centrale des
de dualen » des dualen, der dualen, die duale

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centre de dualen communication costs 15.3 developing _ africa.*.