Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
phuong doan » phuong loan, phuong hoang, huong dan
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong dan » huong dan, phuong lan, phuon dan
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
toan tap » toan ban

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 xanh - hanh tang cua dung ((((phuong dan) OR (phuong danh))) or (phuong doan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh tang cua dung ((((phuong dan) OR (phuong danh))) OR (phuong doan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh tang cua dung ((((phuong dan) OR (phuong danh))) or (phuong doan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh tang cua dung ((((phuong dan) OR (phuong danh))) or (phuong doan)) toan tap*.