Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thien » hoc hien, hoc thieu, hoc thiet
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran van » luan van

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 - ((hanh trang) or (hanh chinh)) ((cua dung) or (su dung)) cong tac tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((hanh trang) OR (hanh chinh)) ((cua dung) OR (su dung)) cong tac tran van.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((hanh trang) or (hanh chinh)) ((cua dung) or (su dung)) cong tac tran van*.