Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
thanh tran » thanh trang, thanh toan, thanh tra
tuan nhung » thuat nhung, tranh nhung, cua nhung
quan nhung » qua nhung, cua nhung, luan chung
phuong ban » phuong bang, phuong lan, phuong bac
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tuan hung » tran hung, luan hung, tuan dung
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet tach - thanh tran ((((tuan nhung) OR (quan nhung))) or (tuan hung)) phuong ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - thanh tran ((((tuan nhung) OR (quan nhung))) OR (tuan hung)) phuong ban thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet tach - thanh tran ((((tuan nhung) OR (quan nhung))) or (tuan hung)) phuong ban thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - thanh tran ((((tuan nhung) OR (quan nhung))) or (tuan hung)) phuong ban thanh lap*.