Perhaps you should try some spelling variations:
moral communication » oral communication, global communication, verbal communication
relativen wheat » relatives what, relativen wahrheit
oil development » rail development, tool development, social development
technology die » technologie die, technology does, technology 4ir
die relativen » die relative, der relativen, die relation
prices moral » prices more, crises moral, prices equal
china labor » china labour, china's labor, child 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: technology die relativen wheat prices moral communication costs oil development china labor.*.