Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
ho chieu » hoc thieu, doi chieu, mot chieu
tung vat » dung vat, tang vat, tung va
vat dung » van dung, va dung, viet dung
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (ho chieu)) xanh - thanh tung vat dung phuong ((dan toan) or (anh tuan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - thanh tung vat dung phuong ((dan toan) OR (anh tuan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) xanh - thanh tung vat dung phuong ((dan toan) or (anh tuan)) tap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) xanh - thanh tung vat dung phuong ((dan toan) or (anh tuan)) tap*.