Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications models » communication model, communication modes, communicating model
integration work » integrating world, integration framework, integration 3
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
der integration » zur integration, sector integration
technology der » technology does, technology 4ir, technology dlt
models au » modeles au, models a, modells auf

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

• Adding a wildcard symbol may retrieve word variants: technology der integration work _ guinea communications models au developpement en afrique.*.