Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh tran » hanh trang, thanh tran, hanh tram
tran van » luan van
van dung » van dong, xay dung, tin dung
cac than » cac thanh, cac nhan, cac phan
than cap » khan cap, thanh lap, thanh cac

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 tran van dung trong cac than cap~.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh tran van dung trong cac than cap*.