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
gaps integrating » _ integrating, 4 integrating, 6 integrating
du developpement » de developpement, le developpement, et developpement
technology gaps » technology gap
developpement l » developpement il, developpement la, developpement de
models du » models d, models drug, models dge
l afrique » en afrique
world 3 » world _, world a, world 1
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 gaps integrating world 3 oral communication models du developpement l afrique.*.