Perhaps you should try some spelling variations:
communication model » communication media
true communication » truth communication, time communication, stroke communication
de developpement » sme development
developpement de » developpement des, developpement durable
integrated plan » integrated land, integration plan, integrated pest
technology 4 » technology _, technology 1, technology 3
4 integrated » 1 integrated, 3 integrated, 2 integrated
de afrique » de l'afrique, en afrique, l afrique
model de » model due, model d, model du
plan 3 » plan _, plan a, plan 7
3 true » _ true, a true, 1 true

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integrated plan 3 true communication model de developpement de afrique.*.