Perhaps you should try some spelling variations:
communication model » communication media
oral communication » personal communication
integration work » integrating world, integration framework, integration 3
au developpement » du developpement, de developpement, le developpement
4ir integration » zur integration, der integration, 4 integration
technology 4ir » technology 4, technology 4.1, technology 4.2
des afrique » en afrique, de l'afrique
model au » modele au, model a, model aa
3 oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integration work 3 oral communication model au developpement des afrique.*.