Perhaps you should try some spelling variations:
developpement eco » developpement et, developpement en, development eco
de developpement » sme development
3 communication » 4 communication, de communication, data communication
communication 5 » communication _, communication a, communication 3
typologies de » typologien der, typologies _, typologie des
de variation » der variation, die variation, does variation
eco afrique » en afrique
im op » im p
im o » i o, im _, im 1
5 de » 5 die, 5 der, _ de

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: "typologies de variation ((im o) OR (im op)) 3 communication 5 de developpement eco afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies de variation ((im o) OR (im op)) 3 communication 5 de developpement eco afrique.*.