Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
dung cong » dung trong
manh toan » thanh toan, tinh toan
ho chiet » ho chieu, ho thiet, hoc thiet
trang va » tran van, hang va
va dung » van dung, va duong, vat dung

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