Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
canh trinh » canh tranh, hanh trinh, canh tinh
hieu lang » hieu quang, nhieu tang, hieu van
luat hang » luat hanh, luat chung, luat huong
hang cong » dang cong, hang nong, bang cong
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
cong van » cong vang, cong san, song van

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

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