Perhaps you should try some spelling variations:
communication model » communication media
true communication » truth communication, time communication, stroke communication
deep developpement » de developpement, deux developpements, le developpement
integrating world » integrated world, integrating area, integrating land
3.1 integrating » 3.2 integrating, 3.3 integrating, 3.6 integrating
developpement l » developpement il, developpement la, developpement de
technology 3.1 » technology 1, technology 2.2, technology _
l afrique » en afrique
world 1 » world _, world a
1 true » _ true, a true

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 integrating world 1 true communication model deep developpement l afrique.*.