Perhaps you should try some spelling variations:
ying yang » yang yang, yin yang, ying chang
wang yang » wang yan, wang liang, wang yanling
yulu chen » yu chen
dang hadi » dang hai
yi chang » ii chang, ying chang, jin chang
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yi chang) or (((ying yang) or (wang yang)))) yulu chen ((yang xi) or (yang yi)) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yi chang) OR (((ying yang) OR (wang yang)))) yulu chen ((yang xi) OR (yang yi)) dang hadi ;.
• Adding a wildcard symbol may retrieve word variants: wan ((yi chang) or (((ying yang) or (wang yang)))) yulu chen ((yang xi) or (yang yi)) dang hadi ;*.