Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tinh » thanh binh, nhanh tinh, than kinh
quang dung » quang trung, ung dung, cuong dung
cong khanh » cong thanh, cong khan, cong nhan
hoc chieu » hoc thieu, ho chieu, hoc hien
cong hach » cong sach, cong thanh, trong hach
toan ban » van ban

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 tinh quang dung ((cong hach) OR (cong khanh)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh tinh quang dung ((cong hach) OR (cong khanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tinh quang dung ((cong hach) OR (cong khanh)) toan ban*.