Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong dan » phuong danh, phuong doan, huong dan
hanh hang » thanh hang, hang hang, hanh mang
ho chieu » theo chieu, hoc thieu, doi chieu
hanh han » hanh nhan, hanh phan, hanh san
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
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: ho chieu xanh - ((hanh hang) or (hanh han)) va dung phuong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh hang) OR (hanh han)) va dung phuong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh hang) or (hanh han)) va dung phuong dan ((toan cau) or (toan ban))*.