Perhaps you should try some spelling variations:
communications model » communications models, communication model, communicating model
rica communications » africa communications, risk communications, rural communications
leur developpement » le developpement, deux developpements, de developpement
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
developpement l » developpement il, developpement la, developpement de
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
model leur » model learn, model led, model linear
l afrique » en afrique
3 rica » 3 rice, 3 lirica

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 integration 3 3 rica communications model leur developpement l afrique.*.