TRAN
| Date | Clue |
|---|---|
| 2020-04-05 | Second-most common Vietnamese surname |
| 2019-12-01 | Second most popular Vietnamese surname (after Nguyen) |
| 2018-06-15 | Second-most common family name in Vietnam, after Nguyen |
| 2009-09-13 | Second-most common Vietnamese family name, after Nguyen |
| 2007-02-03 | Air___, discount carrier |