Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
cong luong » cong thuong, nang luong, cong dong
toc chieu » toc thieu, doc hieu, hoc thieu
cong lang » cong vang, cong quang, cong ngang
trinh va » trinh van, trinh vat, trinh ve
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua

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 - canh trinh va nhung ((cong lang) or (cong luong)) ((khan cap) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - canh trinh va nhung ((cong lang) OR (cong luong)) ((khan cap) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - canh trinh va nhung ((cong lang) or (cong luong)) ((khan cap) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - canh trinh va nhung ((cong lang) or (cong luong)) ((khan cap) OR (than cap))*.