Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
informal labor » formal labor
labor them » labor theory
them des » thema des, themen des, thema der
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: technologie _ informal labor them des communication media de developpement en afrique.*.