Perhaps you should try some spelling variations:
volume communication » value communication, voice communication, vote communication
communication cote » communication costs, communication costa, communication case
oil development » rail development, tool development, social development
technology 3.2 » technology 2.2, technology 3.1, technology 2
crisis volume » crises volume
3.2 relative » 2.2 relative, 3.3 relative, 1.2 relative
relative de » relative sea, relative age, relative _
china labor » china labour, china's labor, child labor
de crisis » debt crisis, pre crisis, age crisis
cote oil » coal oil, corn oil, cut oil

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 relative de crisis volume communication cote oil development china labor.*.