Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yang wang » yang yang, yan wang, yang liang
pei yang » wei yang, hui yang, pei yun
wei yuan » wei guang, wei aun, wei lun
lei kyun » lee kyung, lee kyu, pei yun
tan hua » tuan hua, wang hua, tan chia
ii long » i long, ii losung
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)) tan hua ((((pei yang) or (wei yuan))) or (lei kyun)) ii long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang wang) OR (yang guang)) tan hua ((((pei yang) OR (wei yuan))) OR (lei kyun)) ii long du ;.
• Adding a wildcard symbol may retrieve word variants: ((yang wang) or (yang guang)) tan hua ((((pei yang) or (wei yuan))) or (lei kyun)) ii long du ;*.