Perhaps you should try some spelling variations:
developpement il » developpement de, developpement et, developpement du
de developpement » sme development
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
il afrique » l afrique, en afrique
over mass » cover masks, over fdss, over mao
der mass » der massen, der maske, air mass
3 de » 3 die, 3 der, 3 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 _ ((der mass) OR (over mass)) communication 3 de developpement il afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation _ ((der mass) OR (over mass)) communication 3 de developpement il afrique.*.