Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
variation models » valuation models, evaluation models, variation des
communications a » communications _, communications law, communications media
de developpement » sme development
developpement de » developpement des, developpement durable
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
models from » model from
de afrique » de l'afrique, en afrique, l afrique
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: typologie does variation models from guinea communications a de developpement de afrique.*.