Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
thanh tung » thanh cong
danh toan » manh toan, anh toan, dan toan
doc hieu » hoc thieu, hoc hien
toan cau » toan cao, toan ban, toan tap
cua nha » cua nhan, cua ngan
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (toc thieu)) tinh - thanh tung ((cua nha) or (cua chu)) phuong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) tinh - thanh tung ((cua nha) OR (cua chu)) phuong danh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) tinh - thanh tung ((cua nha) or (cua chu)) phuong danh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) tinh - thanh tung ((cua nha) or (cua chu)) phuong danh toan cau*.