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
del developpement » de developpement, des developpements, le developpement
developpement en » developpement et, developpement des, developpement de
4 integration » 3 integration, 2 integration, 4.1 integration
integration 4 » integration 3
technology 4 » technology _, technology 1, technology 3
travel 3.2 » travel 2.2, travel 3.4, travel 3.7
costo del » costa del, cose del, costo e
4 travel » _ travel, a travel, 7 travel

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

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