Perhaps you should try some spelling variations:
muong thanh » truong thanh, dong thanh, cong thanh
hanh trinh » canh tranh, hanh chinh
luat luong » luan luong, luat huong, luat thuong
luong cong » dung cong, trong cong, cong cong
cong muong » cong luong, cong huong, cong duong
hoc thieu » toc thieu
thanh tu » hanh tu, nhanh tu, thanh tung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (hoc thieu)) lang - hanh trinh luat luong cong muong thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thieu)) lang - hanh trinh luat luong cong muong thanh tu.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thieu)) lang - hanh trinh luat luong cong muong thanh tu*.