Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
anh tang » anh bang, anh dang, anh nang
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 tang) or (anh tang)) cua nhung cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((hanh tang) OR (anh tang)) cua nhung cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((hanh tang) or (anh tang)) cua nhung cong ((dan toan) or (dan than)) cau*.