Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
chua xang » chua nang, chuc nang, chu bang
anh dung » anh dong, anh huong, sach dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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 xanh) OR (chieu sang))) or (chua xang)) - anh dung luan thong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu sang))) OR (chua xang)) - anh dung luan thong cong dan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu xanh) OR (chieu sang))) or (chua xang)) - anh dung luan thong cong dan toan cao*".