Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
trung cong » truong cong, trong cong, trung uong
cua trung » cua truong, xuan trung, cua nhung
ban thanh » ban hang
tung cua » trung cua, tuong cua, dung cua
ban hanh » ban hang

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 sach) or (chinh sach)) - thanh tung cua trung cong ((ban thanh) OR (ban hanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - thanh tung cua trung cong ((ban thanh) OR (ban hanh)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chinh sach)) - thanh tung cua trung cong ((ban thanh) OR (ban hanh)) cau*".