Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
amy developpement » au developpement, de developpement, le developpement
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
information 4 » information 2
der mobile » der mobilen, der mobil, does mobile
costs amy » costs a
4 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technology trade information 4 der mobile communications costs amy developpement en afrique.*.