Perhaps you should try some spelling variations:
competition effet » competition effect, competition affect, competition affects
developpement use » developpement une, developpement de, development use
transformation a » transformation _
de developpement » sme development
technologie die » technologie de, technologie im, technologie der
effet de » effets de, effekt der, effets des

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformation a 3 through competition effet de developpement use africa.*.