Perhaps you should try some spelling variations:
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
quan hoan » quan hoang, quang hoan, luan hoan
hoan nong » hoa nong, hoang long, hoang cong
ho chiet » ho chieu, ho thiet, hoc thiet
nong dan » cong dan, nong san, nguong dan
toan tai » toan tap, doanh tai, von tai
toan ban » van ban
toan cao » 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 trinh quan hoan nong dan ((((toan tai) or (toan ban))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh trinh quan hoan nong dan ((((toan tai) OR (toan ban))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh trinh quan hoan nong dan ((((toan tai) or (toan ban))) or (toan cao))*.