Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
thanh van » thanh dam, thanh vu
lang yan » wang yan, wang yang, zhang yan
tuan hua » tan hua, tuan vu
yuan hui » yuan fei, jaan hui, yang hui
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) or (yuan hui))) or (thanh van)) gain ((yang liang) or (yang jin)) long han ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((((tuan hua) OR (yuan hui))) OR (thanh van)) gain ((yang liang) OR (yang jin)) long han ;.
• Adding a wildcard symbol may retrieve word variants: lang yan ((((tuan hua) or (yuan hui))) or (thanh van)) gain ((yang liang) or (yang jin)) long han ;*.