Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong hanh, phuong thanh
phuong dinh » phuong binh, phuong linh, phuong trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
toan cau » toan cao, toan ban, toan tap
dau cua » day cua, cau cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - phan ((dau cua) OR (dai cua)) chu ((phuong danh) or (phuong dinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - phan ((dau cua) OR (dai cua)) chu ((phuong danh) OR (phuong dinh)) toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - phan ((dau cua) OR (dai cua)) chu ((phuong danh) or (phuong dinh)) toan cau*".