Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hoac khong » hoa khong, hoc khong, hay khong
hieu cach » hieu cac, chieu sach, hieu ca
hua khong » hoa khong, cua khong, phuc khong
ca thuong » cao thuong, cua thuong, va thuong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tac » cong ty
tac va » tac da, tac xa, tuc va
va ban » van ban, va bai, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu cach - chinh doanh ((((hua khong) OR (hoac khong))) or (ca thuong)) cong tac va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - chinh doanh ((((hua khong) OR (hoac khong))) OR (ca thuong)) cong tac va ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu cach - chinh doanh ((((hua khong) OR (hoac khong))) or (ca thuong)) cong tac va ban".
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - chinh doanh ((((hua khong) OR (hoac khong))) or (ca thuong)) cong tac va ban*.