Perhaps you should try some spelling variations:
wissen kommunikation » die kommunikation, der kommunikation, von kommunikation
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
farmers wissen » anders wissen, farmers wisdom
typology does » typologie des, apology do's, typology how
l afrique » en afrique
1 co » _ co, a co, 1 do
2 co » _ co, a co, 2 c

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology does variation _ farmers wissen kommunikation ((1 co) OR (2 co)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology does variation _ farmers wissen kommunikation ((1 co) OR (2 co)) developpement l afrique.*.