Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
cong van » cong vang, cong san, song van

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 - thanh trung cua nhung cong van ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh trung cua nhung cong van ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh trung cua nhung cong van ((toan ban) or (van ban))*.