Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
ban cong » bang cong, van cong, phan cong
dan than » dan chan, ban than, van than
va ban » van ban, va bai, va bao

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 trang) or (hanh trinh)) va ban cong ((dan than) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh trang) OR (hanh trinh)) va ban cong ((dan than) OR (anh tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh trang) or (hanh trinh)) va ban cong ((dan than) or (anh tuan)) cau*.