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
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh va » trinh van, trinh vat, trinh ve
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: hoc chieu xanh - hanh trinh va nho ((phuong danh) or (huong dan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trinh va nho ((phuong danh) OR (huong dan)) than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trinh va nho ((phuong danh) or (huong dan)) than cau*.