Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thanh trung » thanh tung
phuong danh » phuong anh, phuong dinh, phuong hanh
theo chieu » theo tieu, ho chieu, theo chu
hanh trung » hanh trang, manh trung, danh trung
doi chieu » doc hieu, doi chi, ho chieu
danh toan » manh toan, anh toan, dan toan
cua dung » cua dang, cua dong, qua dung
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: ((theo chieu) or (doi chieu)) sach - ((hanh trung) OR (thanh trung)) cua dung phuong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) sach - ((hanh trung) OR (thanh trung)) cua dung phuong danh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) sach - ((hanh trung) OR (thanh trung)) cua dung phuong danh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) sach - ((hanh trung) OR (thanh trung)) cua dung phuong danh toan cau*.