Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
thanh ban » thanh san, thanh van, thanh bac
hanh han » hanh nhan, hanh phan, hanh san
cong van » cong vang, song van, cong tan
cong san » cong tac
than ban » toan ban, than man, nhuan ban
han cua » hang cua, nhan cua, than cua

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 han cua nhung ((cong van) or (cong san)) ((than ban) OR (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh han cua nhung ((cong van) OR (cong san)) ((than ban) OR (thanh ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh han cua nhung ((cong van) or (cong san)) ((than ban) OR (thanh ban))*".