Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
lang nong » hang nong, lang dong, lang song
ho chiet » ho chieu, ho thiet, hoc thiet
vat lang » va lang, van lang, vat mang
dan toan » van toan, dan than, manh toan
van tuan » van quan, van ban, anh tuan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trinh vat lang nong ((dan toan) OR (van tuan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trinh vat lang nong ((dan toan) or (van tuan)) cau*.