Perhaps you should try some spelling variations:
tranh hang » trinh han, tran hoang, tran hong
hanh trinh » canh tranh, hanh chinh
hang cong » dang cong, hang nong, bang cong
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
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) or (25 trieu)) tinh - ((tranh hang) or (hanh trinh)) va hang cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - ((tranh hang) OR (hanh trinh)) va hang cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (25 trieu)) tinh - ((tranh hang) or (hanh trinh)) va hang cong tap toan ban*.