Perhaps you should try some spelling variations:
external communication » internal communication, internal communications, personal communication
development chapter » development center, development case
urban development » human development
relations 7.5 » relations 2.5, relations 7.1, relations 7.3
technology e » technology 1, technology 3, technology 4
e relations » 3 relations, 1 relations, des relations
costs urban » cost urban, across urban, crisis urban
4 external » 5 external
7.5 4 » 7.5 _, 7.5 a, 7.5 9

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

• Adding a wildcard symbol may retrieve word variants: technology e relations 7.5 4 external communication costs urban development chapter three.*.