Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
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 li, yang liang
yang jin » yang jie, yang jun, ying jin
long han » long chain, long thanh, long haul

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan tuan hua gain ((yang lin) or (yang jin)) long han ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan tuan hua gain ((yang lin) OR (yang jin)) long han ;*.