Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
ho trieu » mot trieu, 25 trieu, 30 trieu
hoa lang » hoa dan, hoa van
toan ban » van ban
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - ((hanh trinh) or (canh tranh)) ((va hang) or (hoa lang)) cong vang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - ((hanh trinh) OR (canh tranh)) ((va hang) OR (hoa lang)) cong vang toan ban.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - ((hanh trinh) or (canh tranh)) ((va hang) or (hoa lang)) cong vang toan ban*.