Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
ho chiet » ho chieu, ho thiet, hoc thiet
cuu tong » cuu cong, huu tung, cuu nang
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 - hanh trang ((cua cong) or (((cuu tong) OR (cuu tinh)))) cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trang ((cua cong) OR (((cuu tong) OR (cuu tinh)))) cong san toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh trang ((cua cong) or (((cuu tong) OR (cuu tinh)))) cong san toan ban*".