Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
than china » tuan china, han china, wuhan china
yang yang » wang yang, wang yan
huei ying » hui ying, hoi ying
tan chia » tuan china, can china, dan china
long do » long d, long du, longer do
2 long » a long, 3 long, 3.2 long

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yang guang)) ((tan chia) OR (than china)) ((du yang) or (huei ying)) 2 long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) ((tan chia) OR (than china)) ((du yang) OR (huei ying)) 2 long do ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang guang)) ((tan chia) OR (than china)) ((du yang) or (huei ying)) 2 long do ;*".