Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cua nhung » va nhung
van thanh » ban thanh, van tuan
hinh cua » chinh cua, sinh cua, tinh cua
dan toan » van toan, dan than, manh toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chiet tach)) - hanh hinh cua nhung cong ((dan toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chiet tach)) - hanh hinh cua nhung cong ((dan toan) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chiet tach)) - hanh hinh cua nhung cong ((dan toan) or (van thanh)) cau*.