Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
chang kong » change long, change hong, hong kong
yang yang » wang yang, wang yan
ren yuan » ren yan, meng yuan, yan yuan
wei yuan » wei guang, wei aun, wei lun
kong shu » cong shu, kong siu, tong shui
tan hua » tuan hua, wang hua, tan chia

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 ((tan hua) or (tuan china)) ((ren yuan) OR (wei yuan)) chang kong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang ((tan hua) OR (tuan china)) ((ren yuan) OR (wei yuan)) chang kong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang ((tan hua) or (tuan china)) ((ren yuan) OR (wei yuan)) chang kong shu ;".
• Adding a wildcard symbol may retrieve word variants: yang yang ((tan hua) or (tuan china)) ((ren yuan) OR (wei yuan)) chang kong shu ;*.