Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
pei yang » wei yang, hui yang, yi yang
long dou » long du, long hour, long did
tan hua » tuan hua, wang hua, tan chia
pei yun » lei kyun, mei yung, wei yuan
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 liang) or (yang guang)) tan hua ((pei yang) OR (pei yun)) di ((long do) or (long dou)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang guang)) tan hua ((pei yang) OR (pei yun)) di ((long do) OR (long dou)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang guang)) tan hua ((pei yang) OR (pei yun)) di ((long do) or (long dou)) ;*".