Perhaps you should try some spelling variations:
opec communication » open communication, optic communication, ec communication
does developpement » de developpement, des developpements, does development
developpement l » developpement il, developpement la, developpement de
variation es » variation des, variation test, variations des
l afrique » en afrique
die opec » die open, die oper, die opfer
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation es die opec communication a does developpement l afrique.*.