Perhaps you should try some spelling variations:
co developpement » de developpement, le developpement, et developpement
variation models » valuation models, evaluation models, variation des
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
models farm » models from, model farms, models fail
farm mobile » from mobile, afar mobile, raum mobile
l afrique » en afrique
a co » _ co

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

• Adding a wildcard symbol may retrieve word variants: typology des variation models farm mobile communication a co developpement l afrique.*.