Perhaps you should try some spelling variations:
muong thanh » truong thanh, dong thanh, quang thanh
cong thanh » dong thanh, cong trinh, cong tan
hieu manh » chieu xanh, hieu nganh, dieu hanh
chua nang » chuc nang, chua xang, kha nang
hoc hieu » hoc thieu, hoc hien, doc hieu
cua bang » chua bang, cua ban, cua dang
toan ban » van ban

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 - canh tranh ((cua bang) OR (chua nang)) ((muong thanh) OR (cong thanh)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh tranh ((cua bang) or (chua nang)) ((muong thanh) OR (cong thanh)) toan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh ((cua bang) or (chua nang)) ((muong thanh) OR (cong thanh)) toan ban*.