Perhaps you should try some spelling variations:
optical communications » optic communication, political communication, digital communications
communications model » communications models, communication model, communicating model
integration work » integrating world, integration framework, integration 3
de developpement » sme development
technologie die » technologie de, technologie im, technologie der
die integration » trade integration
developpement l » developpement il, developpement la, developpement de
3 optical » _ optical, 3 optimal, 3.3 optical
l afrique » en afrique
model de » model due, model d, model du

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

• Adding a wildcard symbol may retrieve word variants: technologie die integration work 3 optical communications model de developpement l afrique.*.