Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
theo chieu » theo tieu, theo chu, thi chieu
dung cong » dung trong
canh chau » canh cha, chinh chau, doanh chau
ho chieu » hoc thieu, doi chieu, mot chieu
thong su » thong tu, thong cua, thong qua
cong dan » cong san, cong tan, huong dan
canh cau » can cau, danh cau, canh chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sach - thanh thong su dung cong dan ((canh cau) OR (canh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh thong su dung cong dan ((canh cau) OR (canh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - thanh thong su dung cong dan ((canh cau) OR (canh chau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - thanh thong su dung cong dan ((canh cau) OR (canh chau))*.