Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
more communication » force communication, moral communication, vote communication
technologien zur » technologien fur, technologien des, technologien und
development male » development make, development mali, development scale
zur relacion » zur relation, zur religion, zur regulation
relacion del » regulacion del, relacion dqo, relation de
prices more » prices power, prices macro
cost social » costs social, costa social, post social
del prices » fuel prices, real prices, del proceso
male labor » female labor

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

• Adding a wildcard symbol may retrieve word variants: technologien zur relacion del prices more communication cost social development male labor.*.