Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, theo chu, thi chieu
phuong dan » phuong danh, phuong doan, huong dan
hanh mang » nhanh mang, hanh trang, nhanh lang
ho chieu » hoc thieu, doi chieu, mot chieu
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
mang va » mang vua, hang va, bang va
va dung » van dung, va duong, vat dung

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 - hanh mang va dung phuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - hanh mang va dung phuong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - hanh mang va dung phuong dan toan cau*.