Perhaps you should try some spelling variations:
chiet tach » chieu sach
quan hang » quan hoang, quan hanh, qua hang
quan lang » quan hoang, gian lang, quan luan
ho chiet » ho chieu, ho thiet, hoc thiet
nong dan » cong dan, nong san, nguong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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