Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, nhung don
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
hang cong » dang cong, hang nong, bang cong
bai van » hai van, mai van, bai san

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 tang luan ((nhung cong) or (hang cong)) ((bai van) OR (bui van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tang luan ((nhung cong) OR (hang cong)) ((bai van) OR (bui van)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tang luan ((nhung cong) or (hang cong)) ((bai van) OR (bui van)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tang luan ((nhung cong) or (hang cong)) ((bai van) OR (bui van)) ban*.