Perhaps you should try some spelling variations:
soil communication » social communication, serial communication, moral communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
de variation » der variation, die variation, does variation
farmers soil » farmers social, farms soil, farmers box
typology de » typology _, typology 6, typology a
l afrique » en afrique
a de » a die, a der, a des

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

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