Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
developpement de » developpement des, developpement durable
de personal » der personal, des personal, de persona
de afrique » de l'afrique, en afrique, l afrique
firms de » firms do, firms deal, firms fdi
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ innovative firms de personal communication a de developpement de afrique.*.