Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
oral communication » personal communication
integrating world » integrated world, integrating area, integrating land
au developpement » du developpement, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
6 integrating » _ integrating, 4 integrating
technology 6 » technology _, technology 1, technology 3
il afrique » l afrique, en afrique
models au » modeles au, models a, modells auf
world 1 » world _, world a
1 oral » 10 oral, 14 oral, 16 oral

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

• Adding a wildcard symbol may retrieve word variants: technology 6 integrating world 1 oral communication models au developpement il afrique.*.