Perhaps you should try some spelling variations:
yan tuan » yan guan, yan yuan, anh tuan
tuan hua » tan hua, tuan vu, yuan hui
hua gain » heat gain, run gain, hua ban
yang lin » wang lin, yang liang, huang lin
yang jin » yang jie, yang jun, ying jin
wai yan » wei yang
yang li » yang di, yang xi, yang yi
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai yan tuan hua gain ((((wang yan) or (((yang lin) or (yang li))))) or (yang jin)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai yan tuan hua gain ((((wang yan) OR (((yang lin) OR (yang li))))) OR (yang jin)) dang hai ;.
• Adding a wildcard symbol may retrieve word variants: wai yan tuan hua gain ((((wang yan) or (((yang lin) or (yang li))))) or (yang jin)) dang hai ;*.