Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
vat nhung » vap nhung, vai nhung, ve nhung
hoi hieu » hoi phieu, hoi tieu, moi hieu
cong dan » cong san, cong tan, huong dan
ho hieu » ho chieu, nho hieu, co hieu
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho hieu) OR (hoi hieu)) lang - canh trinh ((vat nhung) or (va nhung)) cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (hoi hieu)) lang - canh trinh ((vat nhung) OR (va nhung)) cong dan can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) OR (hoi hieu)) lang - canh trinh ((vat nhung) or (va nhung)) cong dan can cau".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) OR (hoi hieu)) lang - canh trinh ((vat nhung) or (va nhung)) cong dan can cau*.