Perhaps you should try some spelling variations:
trough communication » through communication, thought communication, touch communication
model development » local development, social development, global development
policy debate » public debate
technology 1 » technology _
relations au » relations a, relations act, relations amp
1 relations » 3 relations, a relations, 1.2 relations
costs model » cost model, cost models, costs money
co trough » go through
au co » au cp, au cu, av co

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations au co trough communication costs model development policy debate.*.