Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
trade information » price information, private information, trade integration
del developpement » de developpement, des developpements, le developpement
technology trade » technology trends, technology transfer, technology transfers
information when » information what, information war, information wants
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
de afrique » de l'afrique, en afrique, l afrique
when face » when faced, en face, when base
costo del » costa del, cose del, costo e
face 3 » face _, face a, face 2

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

• Adding a wildcard symbol may retrieve word variants: technology trade information when face 3 communication costo del developpement de afrique.*.