Perhaps you should try some spelling variations:
through communication » through community, health communication, through competition
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
prices through » price through, process through, voices through
technology 4 » technology _, technology 1, technology 3
relations do » relations du, relations das, relations der
4 relations » 3 relations, 4 relation, 1 relations
cost models » cost model, logit models
china data » china update, chinese data

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

• Adding a wildcard symbol may retrieve word variants: technology 4 relations do prices through communication cost models development china data.*.