Perhaps you should try some spelling variations:
serial communication » verbal communication, social communication, material communication
set developpement » et developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
farmers serial » farmers social, farmers rural, farmers soil
how variation » how valuation, does variation, four variation
typology how » typology from, typology _, typology 4.1
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 how variation _ farmers serial communication a set developpement l afrique.*.