Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh thang, thanh chuong
theo chieu » theo tieu, theo chu, thi chieu
thanh hong » thanh huong, thanh hoang, thanh cong
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
ho chieu » hoc thieu, doi chieu, mot chieu
than cau » toan cau, phan cau, than cap

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) or (thanh hong)) va nhung cong thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - ((thanh thong) OR (thanh hong)) va nhung cong thanh than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - ((thanh thong) or (thanh hong)) va nhung cong thanh than cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - ((thanh thong) or (thanh hong)) va nhung cong thanh than cau*.