Perhaps you should try some spelling variations:
de developpement » sme development
developpement et » developpement des, developpement de, development east
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
variation 3 » variation _, variation 6, variation 5
under time » gender time, render time, under tian
et afrique » en afrique, l afrique
der time » den time, her time, over time
a de » a die, a der, a des

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 3 ((der time) OR (under time)) communication a de developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation 3 ((der time) OR (under time)) communication a de developpement et afrique.*.