Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
ho chiet » ho chieu, ho thiet, hoc thiet
qua dung » quang dung, su dung, qua song
cong tac » cong ty
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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 ((qua dung) or (cua ban)) cong tac ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh trung ((qua dung) OR (cua ban)) cong tac ((than cau) OR (than cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh trung ((qua dung) or (cua ban)) cong tac ((than cau) OR (than cap))*".