Perhaps you should try some spelling variations:
service communication » services communication, device communication, services communicating
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
l afrique » en afrique
des der » des ddr, des dem, des des
a de » a die, a der, a des

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: "typologie de variation ((des der) OR (des dr)) service communication a de developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variation ((des der) OR (des dr)) service communication a de developpement l afrique.*.