Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
hong hong » hong kong, hong jong, hong ng
bei daten » bei den, der daten, ii daten
yan tan » yan clan, yan guan, yan wang
tan tan » tas tan, tin tan, tang tang
di bei » die bei, db bei, ti bei
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (hong hong)) di bei daten wang ((yan tan) OR (tan tan)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (hong hong)) di bei daten wang ((yan tan) OR (tan tan)) shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (hong hong)) di bei daten wang ((yan tan) OR (tan tan)) shu ;*".