Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yang liang » wang liang, yan liang, peng liang
long thanh » luong thanh, long han, long trinh
wang yuan » wang yuhan, wang yan, fang yuan
yang yang » wang yang, wang yan
chang 1 » chang _, chang c, anhang 1
yang li » yang lin, yang xi, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan chang 1 main ((((((yang liang) OR (yang yang))) or (yang li))) or (yang di)) long thanh ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan chang 1 main ((((((yang liang) OR (yang yang))) OR (yang li))) OR (yang di)) long thanh ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuan chang 1 main ((((((yang liang) OR (yang yang))) or (yang li))) or (yang di)) long thanh ;".
• Adding a wildcard symbol may retrieve word variants: wang yuan chang 1 main ((((((yang liang) OR (yang yang))) or (yang li))) or (yang di)) long thanh ;*.