Perhaps you should try some spelling variations:
business communities » business community, business communication, business opportunities
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
den business » deren business, open business, mean business
a aus » _ aus, i aus, 8 aus
a auf » i auf, b auf

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 des variation _ den business communities ((a aus) OR (a auf)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation _ den business communities ((a aus) OR (a auf)) developpement en afrique.*.