Perhaps you should try some spelling variations:
doanh toan » doanh hoan, doanh doanh, doanh thanh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
toc hieu » toc thieu, doc hieu, hoc thieu
toan cua » than cua, tan cua, doanh cua
cong san » cong tac
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: ((toc hieu) or (hoc hien)) manh - doanh toan cua nhung cong san ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc hieu) OR (hoc hien)) manh - doanh toan cua nhung cong san ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((toc hieu) or (hoc hien)) manh - doanh toan cua nhung cong san ((toan tap) or (toan ban))*.