Perhaps you should try some spelling variations:
trough communication » through communication, thought communication, touch communication
communication model » communication media
integrated world » integrating world, integrated child, integrated water
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
a trough » a tough, a thorough, 1 through
model de » model due, model d, model du

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

• Adding a wildcard symbol may retrieve word variants: technology _ integrated world a trough communication model de developpement l afrique.*.