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
development case » development china
technology die » technologie die, technology does, technology 4ir
die relatifs » die relative, die relation, die relativen
relatifs del » relatifs des, relatif de, relations der
proceso more » process more, process core, process model
del proceso » el proceso, dual process
case labor » care labor, based labor, male labor

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

• Adding a wildcard symbol may retrieve word variants: technology die relatifs del proceso more communication cost rural development case labor.*.