Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
minh trang » tinh trang, minh hoang, minh tuan
hoc thien » hoc hien, hoc thieu, hoc thiet
trong van » trong cac
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
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: hoc thien hach - ((minh trang) or (canh tranh)) va dung trong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((minh trang) OR (canh tranh)) va dung trong van tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((minh trang) or (canh tranh)) va dung trong van tuan ban*.