Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
tong cong » trong cong, cong cong, dung cong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
manh cua » doanh cua
toan ban » van ban
ban cua » ban quan

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

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