Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development citizens » development citizen, development cities, development childrens
do communications » 10 communications, 14 communications, 2 communications
technologies 2 » technologies _, technologies 4
interaktion do » interaktion von, interaktion die, interaktion das
2 interaktion » 2 interaction, _ interaktion, 4 interaktion
costs human » sts human, ghosts humans, beasts human
citizens a » citizens _, citizens 4, citizens 4.3
do dogs » do does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 interaktion do dogs do communications costs human development citizens a.*.