Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications a » communications _, communications law, communications media
la developpement » le developpement, de developpement, et developpement
developpement en » developpement et, developpement des, developpement de
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des

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

• Adding a wildcard symbol may retrieve word variants: typology der variation _ farmers guinea communications a la developpement en afrique.*.