Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
communications 2 » communications _, communications a, communications 5
technologies 4 » technologies _
4 conservation » _ conservation, land conservation, fuel conservation
2 des » 2 der, 2 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 conservation areas _ rural communications 2 des developpements en afrique.*.