Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
hanh trang » thanh trung, canh tranh, hanh trinh
phuong dan » phuong doan, huong dan, phuong lan
doi chieu » doc hieu, doi chi, ho chieu
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: doi chieu sach - ((manh trung) or (hanh trang)) cua dung ((phuong dan) OR (phuong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((manh trung) OR (hanh trang)) cua dung ((phuong dan) OR (phuong danh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((manh trung) or (hanh trang)) cua dung ((phuong dan) OR (phuong danh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((manh trung) or (hanh trang)) cua dung ((phuong dan) OR (phuong danh)) toan cau*.