Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
technologien 3 » technologies 3, technologien _, technologie 3
medium de » medium der, medium des, medium die
l afrique » en afrique
do et » do eu, do ex, do ut
do eq » do eu, do ex

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: "technologien 3 local labor ((do et) OR (do eq)) communication medium de developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologien 3 local labor ((do et) OR (do eq)) communication medium de developpement l afrique.*.