Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
nang nong » nang song, hang nong, nang dong
doc hieu » toc thieu, hoc hien
nong dan » cong dan, nong san, nguong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc thieu)) manh - ((thanh trung) or (thanh tran)) va nang nong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) manh - ((thanh trung) OR (thanh tran)) va nang nong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc thieu)) manh - ((thanh trung) or (thanh tran)) va nang nong dan toan cao*.