Perhaps you should try some spelling variations:
communication model » communication media
voice communication » voice communications, mobile communication, device communication
integrating world » integrated world, integrating area, integrating land
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
110 integrating » 10 integrating, 6.10 integrating, 1 integrating
technology 110 » technology 10, technology 11, technology 11.2
model au » modele au, model a, model aa
world 1 » world _, world a
1 voice » 1 voiced, 1 voices, 11 voice

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

• Adding a wildcard symbol may retrieve word variants: technology 110 integrating world 1 voice communication model au developpement en afrique.*.