Perhaps you should try some spelling variations:
hanh trinh » canh tranh
trong manh » trong minh, trong anh, trong mach
mot chieu » doi chieu
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (mot chieu)) xanh - ((hanh trinh) OR (hanh chinh)) va dung trong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) xanh - ((hanh trinh) OR (hanh chinh)) va dung trong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (mot chieu)) xanh - ((hanh trinh) OR (hanh chinh)) va dung trong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) xanh - ((hanh trinh) OR (hanh chinh)) va dung trong manh toan cao*.