Perhaps you should try some spelling variations:
value communication » failure communication, face communication, voice communication
oil development » rail development, tool development, social development
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 relations » 3.2 relation, 1.2 relations, 2.2 relations
relations der » relations under, relations das, relations do
crises value » crisis value, crises volume, ascribes value
china labor » china labour, china's labor, child labor
der crises » des crises, de crises, debt crises
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 3.2 relations der crises value communication costs oil development china labor.*.