Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
development manuel » developpement manuel, development model, development master
communications a » communications _, communications law, communications media
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
typology des » typologie des, typologie der, typology _
does rural » homes rural
a gas » _ gas, 2 gas, 3 gas

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

• Adding a wildcard symbol may retrieve word variants: typology des variation der does rural communications a gas development manuel afrique.*.