Perhaps you should try some spelling variations:
set developpement » et developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
farmers mobile » farmers profile, farm mobile, farmers soil
typology does » typologie des, apology do's, typology how
l afrique » en afrique
a set » _ set

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

• Adding a wildcard symbol may retrieve word variants: typology does variation _ farmers mobile communication a set developpement l afrique.*.