Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban
tung va » trung va, tuong va, dung va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh tung va dung ((cong dan) OR (cong san)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh tung va dung ((cong dan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tung va dung ((cong dan) OR (cong san)) toan ban*.