Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
chau tinh » ha tinh, cua tinh, cac tinh
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban
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: theo ((chau tinh) or (cuu tinh)) - ((hanh trinh) or (canh tranh)) va dung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chau tinh) OR (cuu tinh)) - ((hanh trinh) OR (canh tranh)) va dung cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chau tinh) or (cuu tinh)) - ((hanh trinh) or (canh tranh)) va dung cong manh toan tap*.