Perhaps you should try some spelling variations:
communication model » communication media
true communication » truth communication, time communication, stroke communication
integration work » integrating world, integration framework, integration 3
sme development » trade development
development de » development d, development ds, developpement de
de afrique » de l'afrique, en afrique, l afrique
model sme » model some, model sm, model step
work 1 » work 3, work 6, work 7
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 _ integration work 1 true communication model sme development de afrique.*.