Perhaps you should try some spelling variations:
between communication » between communicative, better communication, between communities
communication abroad » communication about, communication across, communication approach
development center » development case
urban development » human development
relations 5.1 » relations 2.1, relations 3.1, relations 1
technology 1 » technology _
abroad urban » around urban
1 relations » 3 relations, a relations, 1.2 relations
center ten » center step, center can, peter ten

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations 5.1 _ between communication abroad urban development center ten.*.