Perhaps you should try some spelling variations:
health communication » data communication
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
development case » development china
relations under » relations united, equations under, obligations under
technology 4 » technology _, technology 1, technology 3
4 relations » 3 relations, 4 relation, 1 relations
cost models » cost model, logit models
case dank » case das, case data
e health » 3 health, 1 health, one health
under e » under eu, under er, under _

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

• Adding a wildcard symbol may retrieve word variants: technology 4 relations under e health communication cost models development case dank.*.