Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong dan » phuong doan, huong dan, phuong lan
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh va » trinh van, trinh vat, trinh vi
trinh ve » trinh he, trinh vi, trinh viet
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 va) or (trinh ve)) nho ((phuong dan) OR (phuong danh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trinh va) OR (trinh ve)) nho ((phuong dan) OR (phuong danh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trinh va) or (trinh ve)) nho ((phuong dan) OR (phuong danh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trinh va) or (trinh ve)) nho ((phuong dan) OR (phuong danh)) toan cao*.