Perhaps you should try some spelling variations:
opec communication » open communication, optic communication, ec communication
communication 13 » communication 1.3, communication 3, communication 1
does development » dams development, ides development, smes development
development des » development does, development desd, development ds
des variation » does variation, de variation, der variation
des l'afrique » de l'afrique, de l'amerique
variation 5 » variation _, variation 6, variation a
does opec » des opec, does hope, does one
13 does » 10 does
5 does » 2 does, 4 does
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation 5 does opec communication 13 does development des l'afrique.*.