Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
chih zhang » chih hang, china zhang, chin chang
zhang jeng » zhang jing, hang seng, zhang ming
yan huang » yan guan, yan liang, yan yuan
jeng dong » eng hong, zeng doug
yan wang » yuan wang, yang yang, qian wang
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((((yan huang) OR (yan wang))) or (yang guang)) lin chih zhang jeng dong sin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((((yan huang) OR (yan wang))) OR (yang guang)) lin chih zhang jeng dong sin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((((yan huang) OR (yan wang))) or (yang guang)) lin chih zhang jeng dong sin ;*".