Perhaps you should try some spelling variations:
information cause » information case, information use, information classes
de communication » mobile communication, online communication
developing east » development east, developing a, developing asia
technologien 1 » technologies 1, technologien _, technologien 4
13 developing » 1.3 developing, 3 developing, 1 developing
east areas » karst areas, east asezs
cause des » cause de, klause des, causes de
costs 13 » costs 1, costs 3, costs 12.3
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information cause des de communication costs 13 developing east areas.*.