Perhaps you should try some spelling variations:
national development » international development, institutional development, social development
cause communication » causes communication, change communication, couple communication
information korea » information bureau, information format, information stored
development urban » development bank, development band, development update
communication 13 » communication 1.3, communication 3, communication 1
technologies 4 » technologies _
4 information » 2 information, 1 information
13 national » 1.3 national, 3 national, 1 national
korea de » korea rep, korea pei, korea _
de cause » _ cause, a cause, de cas

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information korea de cause communication 13 national development urban areas.*.