Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
dung cong » dung trong
hinh cua » chinh cua, sinh cua, tinh cua
cua dung » cua dang, cua dong, qua dung
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - hanh hinh cua dung cong ((dan toan) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh hinh cua dung cong ((dan toan) OR (ban than)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh hinh cua dung cong ((dan toan) or (ban than)) ban*.