Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, anh trinh
canh tinh » hanh tinh, manh tinh, canh tranh
dung cong » dung trong
ban nhanh » ban hanh, ban thanh, ban nhan
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((canh trinh) or (canh tinh)) va dung cong ban nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((canh trinh) OR (canh tinh)) va dung cong ban nhanh cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((canh trinh) or (canh tinh)) va dung cong ban nhanh cau*.