Perhaps you should try some spelling variations:
chang ch'un » chang chen, chang chuan
long thanh » luong thanh, long han, long trinh
chang hsun » chung hsuan, chang su, chang yun
young john » kong john, wong john, young jean
thanh tan » thanh van, thanh dam
bonn shin » song shin, bonn ein
bonn mein » bonn ein

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 tan ((chang ch'un) OR (chang hsun)) young john ((bonn shin) or (bonn mein)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh tan ((chang ch'un) OR (chang hsun)) young john ((bonn shin) OR (bonn mein)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long thanh tan ((chang ch'un) OR (chang hsun)) young john ((bonn shin) or (bonn mein)) ;".
• Adding a wildcard symbol may retrieve word variants: long thanh tan ((chang ch'un) OR (chang hsun)) young john ((bonn shin) or (bonn mein)) ;*.