Perhaps you should try some spelling variations:
trough communication » through communication, thought communication, touch communication
communication cost » communication costs, communication costa, communications costs
technology change » technological change, technological changes
urban development » human development
change relations » exchange relations, change relationship, changing relations
development age » development stage, development a, development aid
crisis trough » crisis through, crisis around
relations 1 » relations _, relations a, relations 3
cost urban » most urban, worst urban, bust urban
age aortic » acute aortic, after aortic
1 crisis » 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology change relations 1 crisis trough communication cost urban development age aortic.*.