Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh van » trinh han, trinh quan, trinh toan
van nhung » van nhuong, va nhung, van hung
cong dan » cong san, cong tan, cong dong
cac cau » cac mau, bac cau, cac cam
ca cau » cua cau, can cau, ca cac

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

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