Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thiet » hoc thieu, hoc thuyet, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh
thanh chu » thanh chau, thanh cha, thanh thu
ho chiet » ho chieu, ho thiet, hoa thiet

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