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