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