Perhaps you should try some spelling variations:
communication cross » communication costs
opec communication » open communication, optic communication, ec communication
korea development » area development, forest development, doha development
development state » development stage, developmental state, redevelopment state
information art » information part, information mart, information act
technologies 4 » technologies _
4 information » 2 information, 1 information
state africa » trade africa
cross korea » crises korea, cross border
des opec » der opec, des opnv
art des » art der

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information art des opec communication cross korea development state africa.*.