Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
l afrique » en afrique
6 its » 6 it's, _ its, 4 its
2 its » _ its
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 der variation ((6 its) OR (2 its)) oral communication a de developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation ((6 its) OR (2 its)) oral communication a de developpement l afrique.*.