Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
del developpement » de developpement, des developpements, le developpement
integration rice » integration risk, integration roles, integrated rice
developpement du » developpement de, developpement des, developpement et
3.2 integration » 2.2 integration, 5.2 integration, 3.2 interaction
technology 3.2 » technology 2.2, technology 3.1, technology 2
du afrique » en afrique, l afrique, de l'afrique
trade 2.2 » trade 3.2, trade 4.1
costo del » costa del, cose del, costo e

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 integration rice trade 2.2 communication costo del developpement du afrique.*.