Perhaps you should try some spelling variations:
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 » phuong danh, huong dan, phuong lan
dung cua » dung cho
than cau » toan cau, phan cau, than cap

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