Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
open communication » human communication, 3 communication, 4 communication
developpements en » developpement en, developpement et, developpements de
do's variation » does variation, modes variation, de variation
typology do's » apology do's, typology how
der open » der oper, der opec, der tropen
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typology do's variation _ der open communication a des developpements en afrique.*.