Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
oral communication » personal communication
integrating world » integrated world, integrating area, integrating land
due developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
4ir integrating » 4 integrating, 4.2 integrating, 4.3 integrating
technology 4ir » technology 4, technology 4.1, technology 4.2
modes due » modes de, model due, doses due
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 4ir integrating world 1 oral communication modes due developpement en afrique.*.