Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wei yang's » yiwei wang's
you liang » you xian, you liangzhi
jaan hui » yuan hui
wei yang » pei yang, wei wang, wei shang
xi long » i long, ii long
long do » long d, long du, longer do

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((you liang) OR (yang guang)) jaan hui ((wei yang) OR (wei yang's)) xi long do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((you liang) or (yang guang)) jaan hui ((wei yang) OR (wei yang's)) xi long do ;~".
• Adding a wildcard symbol may retrieve word variants: ((you liang) or (yang guang)) jaan hui ((wei yang) OR (wei yang's)) xi long do ;*.