Perhaps you should try some spelling variations:
thanh tung » thanh cong
cong trong » cong thuong, duong trong, cong trinh
thi chieu » thi chien, thi hieu, theo chieu
ban thanh » ban hanh, ban hang
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
ban than » van thanh, ban hang, ban hanh

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 (thi chieu)) sach - thanh tung cua cong trong ((ban than) or (ban thanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) sach - thanh tung cua cong trong ((ban than) OR (ban thanh)) cap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) sach - thanh tung cua cong trong ((ban than) or (ban thanh)) cap*.