Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh lang » nhanh lang, hanh mang, hanh trang
dung cong » dung trong
lang van » dang van, tang van, hoang van
van dung » van dong, xay dung, tin dung
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 lang van dung cong thanh tran van~.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh lang van dung cong thanh tran van*.