Perhaps you should try some spelling variations:
mtrs communication » mass communication, actors communication, mass communications
development en » developpement en, development menu, development eco
ideologie und » theologie und, okologie und
und variation » und variationen, 2 variation, 4 variation
does mtrs » does more, does maps, does mass
a dams » _ dams, a dam, 6 dams
a das » 1 das, 2 das, 3 das

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ideologie und variation _ does mtrs communication ((a dams) OR (a das)) development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: ideologie und variation _ does mtrs communication ((a dams) OR (a das)) development en afrique.*.