Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
more communication » force communication, moral communication, vote communication
rural development » social development
technology die » technologie die, technology does, technology 4ir
proceso more » process more, process core, process model
die relatif » die relative, die relation, die relativen
china labor » china labour, china's labor, child labor
relatif de » relatifs des, relative de, relation de
de proceso » del proceso, der proceso, des proceso

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

• Adding a wildcard symbol may retrieve word variants: technology die relatif de proceso more communication cost rural development china labor.*.