Perhaps you should try some spelling variations:
"public health" » "republic health" (Expand Search)
"publicae health" » "republicae health" (Expand Search)
"republica health" » "rerepublica health" (Expand Search), "republic health" (Expand Search), "republik health" (Expand Search)
"republicii health" » "rerepublicii health" (Expand Search), "rpublicii health" (Expand Search), "republic 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 ((("republica health") OR ("republicii health"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"public health\") OR (\"publicae health\"))) OR (((\"republica health\") OR (\"republicii health\"))))".
• Removing quotes may allow a broader search: (((( public health ) OR ( publicae health ))) OR ((( republica health ) OR ( republicii health )))).
• Adding a wildcard symbol may retrieve word variants: (((("public health") OR ("publicae health"))) OR ((("republica health") OR ("republicii health"))))*.