Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yan guan » yan yuan, yang guang, yihan guan
gan guan » quan guan, fan guon, gui guan
tan chia » tuan china, than china, can china
hui yang » hui ying, du yang, h yang
pei yun » lei kyun, mei yung, pei yang
de long » le long, de longue
long do » long d, long du, longer do

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 (((yan guan) OR (gan guan)))) tan chia ((hui yang) or (pei yun)) de long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (((yan guan) OR (gan guan)))) tan chia ((hui yang) OR (pei yun)) de long do ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (((yan guan) OR (gan guan)))) tan chia ((hui yang) or (pei yun)) de long do ;*".