Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thieu xanh » thien anh, thien danh
thanh dong » thanh duong, thanh cong, hanh dong
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
cua nhung » va nhung
dong cua » dung cua, cong cua, huong cua
cong bai » cuong bai, cong hai, cung bai
bai toan » bai tap
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: toc ((((thieu xanh) or (hieu manh))) or (chieu xanh)) - thanh dong cua nhung cong bai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((((thieu xanh) OR (hieu manh))) OR (chieu xanh)) - thanh dong cua nhung cong bai toan ban.
• Adding a wildcard symbol may retrieve word variants: toc ((((thieu xanh) or (hieu manh))) or (chieu xanh)) - thanh dong cua nhung cong bai toan ban*.