Perhaps you should try some spelling variations:
"public health" » "republic health" (Expand Search)
"publicae health" » "republicae health" (Expand Search)
"republicae health" » "rerepublicae health" (Expand Search), "republic health" (Expand Search), "republicii health" (Expand Search), "republice health" (Expand Search), "republiciie health" (Expand Search), "republike health" (Expand Search)
"republica health" » "rerepublica health" (Expand Search), "republic health" (Expand Search), "republicii health" (Expand Search), "republik health" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("public health") OR ((("publicae health") OR ("republicae health"))))) OR ("republica health"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public health\") OR (((\"publicae health\") OR (\"republicae health\"))))) OR (\"republica health\"))".
• Removing quotes may allow a broader search: (((( public health ) OR ((( publicae health ) OR ( republicae health ))))) OR ( republica health )).
• Adding a wildcard symbol may retrieve word variants: (((("public health") OR ((("publicae health") OR ("republicae health"))))) OR ("republica health"))*.