Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
bang cua » ban cua, hang cua, tang cua
mang cua » manh cua, dung cua, ban cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan ban » can ban, chat ban, chan nan

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