Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cap nhung » cam nhung, vap nhung, dap nhung
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
toan cao » toan ban, toan tap

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