Perhaps you should try some spelling variations:
thesis integration » thema integration, theory integration, things integration
integration trade » integration strategy, migration trade, integration tool
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
trade prices » crude prices, trade practices, trade policies
prices 3 » prices _, prices a, prices 4
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology thesis integration trade prices 3 communication costs 4 developpement en afrique.*.