Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
van change » can change, mean change, man changed
young john » wong john, young jean
thanh van » thanh dam, thanh vu
kong john » king john, wong john, longo john
bonn shin » song shin, bonn mein
bonn ein » bonn mein, bonn die, kann 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 van change china ((young john) OR (kong john)) ((bonn shin) or (bonn ein)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh van change china ((young john) OR (kong john)) ((bonn shin) OR (bonn ein)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long thanh van change china ((young john) OR (kong john)) ((bonn shin) or (bonn ein)) ;".
• Adding a wildcard symbol may retrieve word variants: long thanh van change china ((young john) OR (kong john)) ((bonn shin) or (bonn ein)) ;*.