Perhaps you should try some spelling variations:
opec communication » open communication, optic communication, ec communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
der opec » der oper, des opec, der opfer
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ der opec communication 3 de developpement en afrique.*.