Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
theo chieu » theo tieu, ho chieu, theo chu
dang cong » dung cong
manh toan » thanh toan, anh tuan, tinh toan
chao chu » cho chu, cua chu, cao cho
tranh va » tranh van, trang va, trinh va
dan toan » van toan, dan than, xuan toan
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (chao chu)) sang - hanh tranh va dang cong ((dan toan) OR (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (chao chu)) sang - hanh tranh va dang cong ((dan toan) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (chao chu)) sang - hanh tranh va dang cong ((dan toan) OR (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (chao chu)) sang - hanh tranh va dang cong ((dan toan) OR (manh toan)) cau*.