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 cases » development case, development phases, development based
technology e » technology 1, technology 3, technology 4
relations a2 » relations a, relations 2, relations au
gross health » across health, groups health, brfss health
e relations » 3 relations, 1 relations, des relations
cost models » cost model, logit models
a2 gross » a gross, 7.2 gross, amp gross

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

• Adding a wildcard symbol may retrieve word variants: technology e relations a2 gross health communication cost models development cases data.*.