Perhaps you should try some spelling variations:
hieu tieng » viet tieng, dien tieng, tiep tieng
hanh doanh » hang doanh, chinh doanh, doanh doanh
manh toan » thanh toan, anh tuan, tinh toan
hoi hieu » hoi phieu, hoi tieu, moi hieu
cua dung » cua dang, cua dong, qua dung
san toan » van toan, dan toan, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu tieng - hanh doanh ((cua dung) or (su dung)) cong ((san toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu tieng - hanh doanh ((cua dung) OR (su dung)) cong ((san toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoi hieu tieng - hanh doanh ((cua dung) or (su dung)) cong ((san toan) or (manh toan)) cau*.