Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
tang cuong » nang luong
hieu manh » chieu xanh, hieu nganh, dieu hanh
luan tang » luan nang, lan tang, xuan trang
van nhanh » van thanh, van hanh, van nhan
van khanh » van thanh, van hanh, van anh
hoc hieu » hoc thieu, hoc hien, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh trinh luan tang cuong ((van nhanh) or (van khanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh luan tang cuong ((van nhanh) OR (van khanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh luan tang cuong ((van nhanh) or (van khanh)) cau*.