Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
ho chiet » ho chieu, ho thiet, hoc thiet
trang va » tran van, hang va
dan toan » van toan, dan than, xuan 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 chiet tach - hanh trang va ((trong cong) or (hang cong)) ((dan toan) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trang va ((trong cong) OR (hang cong)) ((dan toan) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trang va ((trong cong) or (hang cong)) ((dan toan) or (manh toan)) cao*.