Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications 3 » communications _, communications a, communications 5
variation among » starvation among, formation among, variation von
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
development en » developpement en, development menu, development eco
among heis » among ers, among hiv, among jews
heis rural » has rural
3 gas » _ gas, 2 gas

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation among heis rural communications 3 gas development en afrique.*.