Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
developpement la » developpement de, developpement et, developpement du
farmers mobile » farmers profile, farm mobile, farmers soil
how variation » how valuation, does variation, four variation
typology how » typology from, typology _, typology 4.1
variation a » variation _, variation 6, variation 5
la afrique » l afrique, la fabrique, en afrique
a farmers » a farmer's, _ farmers, 5 farmers
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 how variation a farmers mobile communication a et developpement la afrique.*.