Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
zhang ming » zhang xin
yang yang » wang yang, wang yan
han zhang » han chang, hao zhang, yan zhang
ming wong » ming kong, ming hung, ming qing
wong shiu » wong siu, cong shu, song shin
hua han » hua ban, hua chen, hua zhao

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yang yang) or (yang guang)) hua han zhang ming wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang yang) OR (yang guang)) hua han zhang ming wong shiu ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yang) or (yang guang)) hua han zhang ming wong shiu ;*.