Perhaps you should try some spelling variations:
thanh tung » thanh cong
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen tap
tung va » trung va, tuong va, dung va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((30 trieu) or (ho chieu))) or (25 trieu)) tinh - thanh tung va dung trong van tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((30 trieu) OR (ho chieu))) OR (25 trieu)) tinh - thanh tung va dung trong van tuan tap.
• Adding a wildcard symbol may retrieve word variants: ((((30 trieu) or (ho chieu))) or (25 trieu)) tinh - thanh tung va dung trong van tuan tap*.