Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
xi reform » i reform, ii reform, vi reform
dang hari » dang hai
wen wang » wei wang, chen wang, weng fang
de david » die david, wade david, dawe david
yang xi » yang di, yang yi, yang jui
a david » a davis, et david
2 david » 2.1 david, 210 david, 226 david

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

• Performing a fuzzy search may retrieve terms with similar spellings: wen wang yang xi reform ((((a david) OR (2 david))) or (de david)) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wen wang yang xi reform ((((a david) OR (2 david))) OR (de david)) dang hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wen wang yang xi reform ((((a david) OR (2 david))) or (de david)) dang hari ;*".