Perhaps you should try some spelling variations:
phan thuong » hang thuong
chiet tach » chieu sach
thanh tung » thanh cong
phan xuong » phan cong
phuong dan » phuong danh, phuong doan, huong dan
ho chiet » ho chieu, ho thiet, hoc thiet
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: ho chiet tach - thanh tung ((phan thuong) or (phan xuong)) phuong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh tung ((phan thuong) OR (phan xuong)) phuong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh tung ((phan thuong) or (phan xuong)) phuong dan toan cao*.