Perhaps you should try some spelling variations:
hate relationship » data relationship, name relationship, what relationship
clean development » human development, urban development
relationship 7.3 » relationships 7.3, relationship 7.2, relationship 7.7
el communication » cell communication, real communication, 3 communication
technology hate » technology have, technology rate, technology state
costs clean » costs clear
7.3 crisis » 8.3 crisis, 13.3 crisis, 2.1 crisis
crisis el » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology hate relationship 7.3 crisis el communication costs clean development _ aortic.*.