Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
chau tinh » cuu tinh, ha tinh, cua tinh
trung cua » truong cua, trung tuan, trung cap
cua tong » cua cong, cua dong, cua nong
cong van » cong vang, song van, cong tan
cong san » cong tac
toan ban » van ban

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) or (chau tinh)) - thanh trung cua tong ((cong van) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chau tinh)) - thanh trung cua tong ((cong van) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (chau tinh)) - thanh trung cua tong ((cong van) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chau tinh)) - thanh trung cua tong ((cong van) OR (cong san)) toan ban*.