Perhaps you should try some spelling variations:
developpement l » developpement il, developpement la, developpement de
does business » des business, smes business, das business
apologien de » apologien der, apologia de, apologie des
de variation » der variation, die variation, does variation
l afrique » en afrique
a set » _ set
a et » a net, a bet, a jet

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

• If you are trying to use Boolean operators, they must be ALL CAPS: apologien de variation _ does business community ((a et) OR (a set)) developpement l afrique.~.
• Adding a wildcard symbol may retrieve word variants: apologien de variation _ does business community ((a et) or (a set)) developpement l afrique.*.