Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang hang » nang hang, cang thang, hung thang
thanh cau » thanh mau, nhanh cau, thanh ca
hoc hieu » hoc thieu, hoc hien, doc hieu
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
va dung » van dung, va duong, vat dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hang hang va dung ((cong van) OR (song van)) ((thanh cau) OR (thanh chau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - hang hang va dung ((cong van) or (song van)) ((thanh cau) OR (thanh chau))~".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hang hang va dung ((cong van) or (song van)) ((thanh cau) OR (thanh chau))*.