Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
der developpement » de developpement, des developpements, leur developpement
e communications » 2 communications, 3 communications, 4 communications
developpement en » developpement et, developpement des, developpement de
informal labor » formal labor
series der » serien der, series de, series d
value e » value _, value a, value 3
technologien » technologies, technologie, technological

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

• Adding a wildcard symbol may retrieve word variants: technologien _ informal labor value e communications series der developpement en afrique.*.