Perhaps you should try some spelling variations:
communications model » communications models, communication model, communicating model
rica communications » africa communications, risk communications, rural communications
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
der integration » zur integration, sector integration
technology der » technology does, technology 4ir, technology dlt
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: technology der integration _ 32 rica communications model de developpement en afrique.*.