Perhaps you should try some spelling variations:
does development » dams development, ides development, smes development
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
variation 3 » variation _, variation 6, variation 5
1 l'afrique » de l'afrique
das opec » des opec, das open, der opec
das oecd » der oecd, die oecd
3 does » 13 does, 2 does, 4 does
typologie » typologies, typology

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

• Performing a fuzzy search may retrieve terms with similar spellings: typologie des variation 3 ((das opec) OR (das oecd)) communication 3 does development 1 l'afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variation 3 ((das opec) OR (das oecd)) communication 3 does development 1 l'afrique.*".