Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thuong » cua truong, cua phuong, ca thuong
cua thong » cua khong, cua tong, suat thong
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
chi van » thi van, chu van
thi lan » thi hanh, thi nang, thi lien

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chi van) OR (thi lan)) - hanh doanh ((cua thong) OR (cua thuong)) huong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chi van) or (thi lan)) - hanh doanh ((cua thong) OR (cua thuong)) huong dan toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((chi van) or (thi lan)) - hanh doanh ((cua thong) OR (cua thuong)) huong dan toan cao*.