Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
oral communication » personal communication
developpements des » developpement des, developpements de, developpement de
integrating world » integrated world, integrating area, integrating land
4ir integrating » 4 integrating, 4.2 integrating, 4.3 integrating
technology 4ir » technology 4, technology 4.1, technology 4.2
des afrique » en afrique, de l'afrique
media des » media das, media der, media modes

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integrating world _ oral communication media des developpements des afrique.*.