Perhaps you should try some spelling variations:
less developpement » le developpement, less development, leur developpement
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
aids risk » aid risk, ncds risk
l afrique » en afrique
6 aids » _ aids, 6 aims
a less » _ less, a lens, a lesson

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation 6 aids risk communication a less developpement l afrique.*.