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 en » developpement et, developpement des, developpement de
variation among » starvation among, formation among, variation von
typologies der » typologie der, typologien der, typologie des
der variation » de variation, does variation, die variation
ers guinea » aus guinea
among ers » among peers, among users, among east
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 among ers guinea communications a de developpement en afrique.*.