Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
nhung cau » chung cu, nhung bai, nhu cau
cong ban » cong bang, cong san, cong tan
hang cau » hang dau, hang ca, nang cao

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 sang) OR (hieu lang)) - hanh tranh cua cong cong ban ((hang cau) or (nhung cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - hanh tranh cua cong cong ban ((hang cau) OR (nhung cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (hieu lang)) - hanh tranh cua cong cong ban ((hang cau) or (nhung cau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (hieu lang)) - hanh tranh cua cong cong ban ((hang cau) or (nhung cau))*.