Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
chiet tach » chieu sach
thang ban » hang ban, tang ban, thanh ban
ho chiet » ho chieu, ho thiet, hoc thiet
cua dong » chua dong, cua cong, cua dang
ha dong » hoat dong, van dong
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh tranh ((ha dong) or (cua dong)) cang thang ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh ((ha dong) OR (cua dong)) cang thang ban cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh ((ha dong) or (cua dong)) cang thang ban cau*.