Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh hoa » trinh do, trinh han
hoa nhung » hoc nhung, hon nhung, va nhung
cong lang » cong luong, cong quang, cong ngang
cong vang » cong quang, cong ngang, cong san
thanh cao » thanh ca, thanh cac, thanh thao

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

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