Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
dong thanh » truong thanh
doi chieu » doc hieu, ho chieu, mot chieu
thanh cau » thanh chau, thanh mau, nhanh cau
thong tu » phong tuc, thong tin, thong ke
tu nhung » tu chung, cua nhung, thi nhung
doi chi » doi khi

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) or (doi chi)) sach - thanh thong tu nhung ((dong thanh) or (cong trinh)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - thanh thong tu nhung ((dong thanh) OR (cong trinh)) thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sach - thanh thong tu nhung ((dong thanh) or (cong trinh)) thanh cau*.