Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
trinh vat » trinh van, trinh luat, sinh vat
vat trong » viet trong, cay trong, dot trong
van thanh » ban thanh, van tuan
van toan » van tuan, van tan, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((lieu tinh) or (bien tinh)) - canh trinh vat trong cong ((van toan) OR (van thanh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (bien tinh)) - canh trinh vat trong cong ((van toan) OR (van thanh)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (bien tinh)) - canh trinh vat trong cong ((van toan) OR (van thanh)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (bien tinh)) - canh trinh vat trong cong ((van toan) OR (van thanh)) ban*.