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