Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
guang chia » guangxi china
wang yang » wang yan, wang liang, wang yanling
chia yuan » chiao yuan, chih yuan, chu yuan
wang lin » wang li, yang lin, wang limin
wang qin » wang qiao, wang jing, wang ning
long han » long chain, long thanh, long haul

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang guang chia yuan ((wang lin) OR (wang qin)) long han ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang guang chia yuan ((wang lin) OR (wang qin)) long han ;*.