Perhaps you should try some spelling variations:
"feudal property reduction" » "feudal property prediction", "feudal poverty reduction", "feudal property education", "real property reduction", "thermal property reduction"
"rural poverty protection" » "rural poverty projection", "rural poverty projections", "rural poverty protecting"
"rural poverty production" » "rural poverty reduction", "rural poverty projection", "rural poverty introduction"
"national property protection" » "national prosperity protection", "national poverty protection", "functional property protection"
"natural property protection" » "cultural property protection", "material property protection", "natural protected protection"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("feudal property reduction") OR ((((("rural poverty protection") OR ("rural poverty production"))) OR ((("natural property protection") OR ("national property protection"))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"feudal property reduction\") or (((((\"rural poverty protection\") OR (\"rural poverty production\"))) or (((\"natural property protection\") or (\"national property protection\"))))))*".
• Removing quotes may allow a broader search: (( feudal property reduction ) or ((((( rural poverty protection ) OR ( rural poverty production ))) or ((( natural property protection ) or ( national property protection ))))))*.