Perhaps you should try some spelling variations:
integration model » integration models, integrative model, interaction model
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
developpement l » developpement il, developpement la, developpement de
model ware » model water, model work, model shared
l afrique » en afrique
ware 3.2 » care 3.2, rare 3.2, jahre 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration model ware 3.2 communication costs _ developpement l afrique.*.