Perhaps you should try some spelling variations:
communications model » communications models, communication model, communicating model
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
1 interaction » 10 interaction, 17 interaction, 19 interaction
interaction a » interaction _, interaction 1, interaction 4
technology 1 » technology _
model au » modele au, model a, model aa

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

• Adding a wildcard symbol may retrieve word variants: technology 1 interaction a _ data communications model au developpement en afrique.*.