Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh qua » tranh cua, thanh qua, trinh qua
song cong » cong cong, tong cong, song hong
manh toan » thanh toan, anh tuan, tinh toan
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 tranh qua song cong ((xuan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh tranh qua song cong ((xuan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh tranh qua song cong ((xuan toan) or (manh toan)) cau*.