Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh dinh » thanh binh, thanh tinh, thanh vinh
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
cuu nhung » cua nhung, cuu phuong, chua nhung
dinh cuu » dinh chi
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong ty
toan tap » toan ban

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 dinh cuu nhung ((cong dan) or (((cong tan) OR (cong thanh)))) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh dinh cuu nhung ((cong dan) OR (((cong tan) OR (cong thanh)))) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh dinh cuu nhung ((cong dan) or (((cong tan) OR (cong thanh)))) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh dinh cuu nhung ((cong dan) or (((cong tan) OR (cong thanh)))) toan tap*.