Perhaps you should try some spelling variations:
more communication » force communication, moral communication, vote communication
technologien und » technologie und, technologien des, technologien fur
development male » development make, development mali, development scale
oil development » rail development, tool development, social development
und relationen » und relational, med relationen, und reaktionen
relationen set » relationen bei, relationen des, relationen som
prices more » prices power, prices macro
set prices » asset prices, spot prices, meat prices
male labor » female labor
costs oil » costs only, costs ii, costs iii

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

• Adding a wildcard symbol may retrieve word variants: technologien und relationen set prices more communication costs oil development male labor.*.