Perhaps you should try some spelling variations:
chieu xanh » chieu sach, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
tran dang » tran quang, tran hoang, tranh hang
va thong » va thuong, va phuong, he thong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap
dang va » dang van, dang vat, hang va

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 (chieu sang))) or (chieu tinh)) - tran dang va thong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu sang))) OR (chieu tinh)) - tran dang va thong cong san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu xanh) OR (chieu sang))) or (chieu tinh)) - tran dang va thong cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) OR (chieu sang))) or (chieu tinh)) - tran dang va thong cong san toan cao*.