Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yang yang » wang yang, wang yan
tan chia » tuan china, can china, dan china
tan yang » dan yang, tan ying, tan yong
jin dang » jin kang, jin chang, jing fang
wang » wing, wan, lang
hai » hadi, haji, hari

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: wang yanling ((tan chia) OR (than china)) ((tan yang) OR (yang yang)) jin dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((tan chia) OR (than china)) ((tan yang) or (yang yang)) jin dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling ((tan chia) OR (than china)) ((tan yang) or (yang yang)) jin dang hai ;*.