Perhaps you should try some spelling variations:
communication model » communication media
transformation abs » transformation als, transformation aus, transformation hans
de developpement » sme development
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
model de » model due, model d, model du
abs 3 » abs 1

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation abs 3 risk communication model de developpement de afrique.*.