Perhaps you should try some spelling variations:
yidan chang » yuan chang, shiyan chang
luong thanh » long thanh, truong thanh
wang yidan » wang yan
yang jin » yang jie, yang jun, ying jin
chang 2 » chang _, chang c, anhang 2
yang xi » yang jui
yang yi » yang jui
2 main » 1 main

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan chang 2 main ((((yang jin) or (((yang xi) or (yang yi))))) or (yang di)) luong thanh ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan chang 2 main ((((yang jin) OR (((yang xi) OR (yang yi))))) OR (yang di)) luong thanh ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan chang 2 main ((((yang jin) or (((yang xi) or (yang yi))))) or (yang di)) luong thanh ;*.