Perhaps you should try some spelling variations:
thanh trung » thanh tung
hang cong » dang cong, hang nong, bang cong
chi sach » chinh sach, chieu sach, co sach
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
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 chi sach - ((thanh trung) or (canh tranh)) cua hang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((thanh trung) OR (canh tranh)) cua hang cong dan toan ban*.