Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
phuong dan » phuong doan, huong dan, phuong lan
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua ngan » cua ban, vu ngan, cua dan
phan cau » phan dau, phan cac, phan tu
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh trinh cua ngan ((phuong dan) or (phuong danh)) ((phan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trinh cua ngan ((phuong dan) OR (phuong danh)) ((phan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trinh cua ngan ((phuong dan) or (phuong danh)) ((phan cau) or (toan cau))*.