Perhaps you should try some spelling variations:
technology trade » technology trends, technology transfer, technology transfers
developpement la » developpement de, developpement et, developpement du
integration die » integration de, integration deep, integration does
1 communication » 10 communication, 3 communication, 4 communication
la afrique » l afrique, la fabrique, en afrique
die trade » die triade, rice trade, die trager
trade 1 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration die trade 1 communication costs _ developpement la afrique.*.