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
tan hua » tuan hua, wang hua, tan chia
pei yun » lei kyun, mei yung, wei yuan
de long » le long, de longue
long du » long d, long do, long run

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)) de long du ;~.
• 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)) de long du ;".
• Adding a wildcard symbol may retrieve word variants: ((yang liang) OR (yang guang)) tan hua ((pei yang) OR (pei yun)) de long du ;*.