Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
variation among » starvation among, formation among, variation von
developpement l » developpement il, developpement la, developpement de
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
among aids » among idp, among idps
aids mass » aids cases, aids case
l afrique » en afrique
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typology der variation among aids mass communication a et developpement l afrique.*.