Perhaps you should try some spelling variations:
tropen communication » open communication, proper communication, spoken communication
des developpements » deux developpements, de developpement, et developpements
developpements de » developpement de, developpement des, developpement du
do's variations » does variation, cost variations, its variations
communication 4 » communication _, communication a, communication 3
topology do's » apology do's
de afrique » de l'afrique, en afrique, l afrique
4 des » 4 der, 4 das, a des

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

• Adding a wildcard symbol may retrieve word variants: topology do's variations _ den tropen communication 4 des developpements de afrique.*.