## Not run:
# # return all data in a data.frame
# oa_search()
#
# # search by various combinations
# oa_search(country = "us")
# oa_search(country = "us", state = "ca")
# oa_search(state = "tx")
# oa_search(city = "houston")
# oa_search("us", "nv", "las_vegas")
# ## End(Not run)
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