Perhaps you should try some spelling variations:
communication model » communication media
modes developpement » de developpement, model development, des developpements
technologie trade » technology trade, technologie de, technologie transfer
trade integrating » trade integration, true integrating, drama integrating
integrating area » integrating a, integrating new, integrating data
developpement de » developpement des, developpement durable
model modes » model model, mode modes, model codes
area 3 » area _, area 5, area a

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

• Adding a wildcard symbol may retrieve word variants: technologie trade integrating area 3 _ communication model modes developpement de l'afrique.*.