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