Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
luong cong » dung cong, trong cong, cong cong
cong thanh » dong thanh, cong trinh, cong tan
tranh cua » doanh cua, manh cua
cua luong » cu luong, cua huong, chat luong
thuat cao » thuat co, thuat bao, thuat cam
than cao » toan cao, thai cao, than cap

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) OR (chieu xanh)) - canh tranh cua luong cong thanh ((than cao) or (thuat cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - canh tranh cua luong cong thanh ((than cao) OR (thuat cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - canh tranh cua luong cong thanh ((than cao) or (thuat cao))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - canh tranh cua luong cong thanh ((than cao) or (thuat cao))*.