Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh hinh » hanh chinh, hanh tinh, hanh dinh
dung cong » dung trong
ban thanh » ban hanh, ban hang
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 » van thanh, ban hang, ban hanh

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 - hanh hinh cua dung cong ((dan toan) or (((ban than) OR (ban thanh)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh hinh cua dung cong ((dan toan) OR (((ban than) OR (ban thanh)))) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh hinh cua dung cong ((dan toan) or (((ban than) OR (ban thanh)))) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh hinh cua dung cong ((dan toan) or (((ban than) OR (ban thanh)))) ban*.