Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
dung phuong » dung thuong, bang phuong, hoang phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
dung chung » dung cong, dung ung, dung trung
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
tuong su » thuong su, thong su, tuong tu

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 sach - thanh tuong su ((dung phuong) or (dung chung)) van ((thanh cau) OR (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tuong su ((dung phuong) OR (dung chung)) van ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh tuong su ((dung phuong) or (dung chung)) van ((thanh cau) OR (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tuong su ((dung phuong) or (dung chung)) van ((thanh cau) OR (nhanh cau))*.