Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
canh trinh » canh tranh, canh tinh, anh trinh
trong manh » trong minh, trong anh, trong mach
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
manh toan » thanh toan, anh tuan, tinh toan
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 ((lieu tinh) or (bien tinh)) - ((canh trinh) OR (hanh trinh)) va dung trong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (bien tinh)) - ((canh trinh) OR (hanh trinh)) va dung trong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (bien tinh)) - ((canh trinh) OR (hanh trinh)) va dung trong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (bien tinh)) - ((canh trinh) OR (hanh trinh)) va dung trong manh toan cao*.