Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
der developpement » de developpement, des developpements, leur developpement
sex information » tax information, index information, aux informations
information der » information oder, information does, informatik der
developpement l » developpement il, developpement la, developpement de
technology sex » technology set, technology self, technology smes
der trade » der trager, der traum, fur trade
trade 3.2 » trade 2.2, trade 2, trade 4.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology sex information der trade 3.2 communication phase der developpement l afrique.*.