Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh song » thanh cong, thanh son, thanh long
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
song cua » cong cua, dong cua, huong cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap

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 - thanh song cua nhung ((cong dan) OR (cong san)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh song cua nhung ((cong dan) OR (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh song cua nhung ((cong dan) OR (cong san)) toan cao*.