Perhaps you should try some spelling variations:
models developments » model developments, models development, model development
truth communication » trough communication, touch communication, true communication
communication cost » communication costs, communication costa, communications costs
technology shocks » technology shock, technology series, technology social
shocks relation » shot relation, shocks allocation, blacks relations
relation type » relation types, selection type, relation de
cost models » cost model, logit models
prime » price, crime

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

• Adding a wildcard symbol may retrieve word variants: technology shocks relation type prime truth communication cost models developments _ north.*.