Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
3.2 communication » 3 communication, 2.3 communication, de communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
die integration » trade integration
technology die » technologie die, technology does, technology 4ir
integration 4 » integration 3
trade 3.2 » trade 2.2, trade 2, trade 4.1
costo le » costo e, costo del
4 trade » 1 trade

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

• Adding a wildcard symbol may retrieve word variants: technology die integration 4 trade 3.2 communication costo le developpement en afrique.*.