Perhaps you should try some spelling variations:
oper communication » open communication, proper communication, power communication
das developpements » des developpements, deux developpements, de developpement
developpements en » developpement en, developpement et, developpements de
communication 4 » communication _, communication a, communication 3
do's variation » does variation, modes variation, de variation
topology do's » apology do's
der oper » der opfer, der oder
4 das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: topology do's variation _ der oper communication 4 das developpements en afrique.*.