Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
duong manh » duong van
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
toan ban » van ban

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

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