Perhaps you should try some spelling variations:
communication china » telecommunication china, communication costs, communication cross
early development » energy development, healthy development, theory development
de communication » mobile communication, online communication
development male » development make, development mali, development scale
impact prices » import prices, impact practices, impact policies
technology a » technology 1, technology 3, technology 4
china early » china pearl, china energy
a negative » _ negative, 2.2 negative, 3.3 negative
male labor » female labor
prices de » prices does, prices _, prices a

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

• Adding a wildcard symbol may retrieve word variants: technology a negative impact prices de communication china early development male labor.*.