Perhaps you should try some spelling variations:
between communication » between communicative, better communication, between communities
development center » development case
urban development » human development
relations 7.3 » relations 6.3, relations 4.3, relations 3.3
technology 1 » technology _
1 relations » 3 relations, a relations, 1.2 relations
costs urban » cost urban, across urban, crisis urban
center ten » center step, center can, peter ten
4 between » 2 between
7.3 4 » 7.3 _, 7.3 a, 6.3 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations 7.3 4 between communication costs urban development center ten.*.