Perhaps you should try some spelling variations:
thien hach » thien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien hanh » dieu hanh
doanh cua » doanh luan
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
san phan » san pham, van phan, sat phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien hach) or (hien hanh)) - canh doanh cua ((hang cong) OR (hang nong)) san phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (hien hanh)) - canh doanh cua ((hang cong) OR (hang nong)) san phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien hach) or (hien hanh)) - canh doanh cua ((hang cong) OR (hang nong)) san phan lap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (hien hanh)) - canh doanh cua ((hang cong) OR (hang nong)) san phan lap*.