Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wei yang's » yiwei wang's
yan wang » yuan wang, yang yang, qian wang
pei yang » hui yang, yi yang
jie long » jie song, life long, live long
tan hua » tuan hua, wang hua, tan chia
pei yun » lei kyun, mei yung, wei yuan
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 wang) or (yang guang)) tan hua ((((pei yang) or (pei yun))) or (wei yang's)) jie long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang guang)) tan hua ((((pei yang) OR (pei yun))) OR (wei yang's)) jie long du ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang guang)) tan hua ((((pei yang) or (pei yun))) or (wei yang's)) jie long du ;*.