Perhaps you should try some spelling variations:
thieu thanh » thien thanh, thi thanh, kieu thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc phuong » hoc thuong, cac phuong
thu thanh » thu thang, tu thanh, thuan thanh
doanh cua » doanh luan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu thanh) OR (thu thanh)) - hanh doanh cua ((bang phuong) or (hoc phuong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu thanh) OR (thu thanh)) - hanh doanh cua ((bang phuong) OR (hoc phuong)) dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu thanh) OR (thu thanh)) - hanh doanh cua ((bang phuong) or (hoc phuong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu thanh) OR (thu thanh)) - hanh doanh cua ((bang phuong) or (hoc phuong)) dan toan cao*.