Perhaps you should try some spelling variations:
does development » dams development, ides development, smes development
modes variation » does variation, more variation, modern variations
development et » development east, developpement et, development eco
et afrique » en afrique, l afrique
a does » 2 does, 4 does, 1 does
der 4 » der _, der e, des 4
der a » der _, der e
topology » typology

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: "topology modes variation _ ((der 4) OR (der a)) communication a does development et afrique.~".
• Adding a wildcard symbol may retrieve word variants: topology modes variation _ ((der 4) OR (der a)) communication a does development et afrique.*.