Perhaps you should try some spelling variations:
between communication » between communicative, better communication, between communities
development chapter » development center, development case
urban development » human development
relations 2.5 » relations 2.1, relations 2.4, relations 7.5
technology 3 » technology _, technology 1, technology 4
3 relations » et relations, des relations
costs urban » cost urban, across urban, crisis urban
chapter ten » chapter two, chapter three, chapter nine
4 between » 2 between
2.5 4 » 2.5 _, 2.5 a, 2.5 d

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