Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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