Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
tang china » kong china, ming china, qing china
hang china » han china, change china, ghana china
song shui » tong shui, cong shu, song shin
yang kim » yong kim, hyung kim, yang di
kang kim » kanaga kim, tan kim, yong kim

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

• Performing a fuzzy search may retrieve terms with similar spellings: long thanh ((tang china) OR (hang china)) chen ((yang kim) or (kang kim)) song shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh ((tang china) OR (hang china)) chen ((yang kim) OR (kang kim)) song shui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long thanh ((tang china) OR (hang china)) chen ((yang kim) or (kang kim)) song shui ;".
• Adding a wildcard symbol may retrieve word variants: long thanh ((tang china) OR (hang china)) chen ((yang kim) or (kang kim)) song shui ;*.