Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications a » communications _, communications law, communications media
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
typologies der » typologie der, typologien der, typologie des
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
l afrique » en 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: typologies der variation des new guinea communications a de developpement l afrique.*.