Perhaps you should try some spelling variations:
african communications » africa communications, rica communications, optical communications
communications models » communication model, communication modes, communicating model
costs integration » comes integration, post integration, focus integration
technology costs » technology cost, technology course, technology case
developpement en » developpement et, developpement des, developpement de
d developpement » de developpement, du developpement, le developpement
models d » models 1, models 3, models 2

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

• Adding a wildcard symbol may retrieve word variants: technology costs integration 3 _ african communications models d developpement en afrique.*.