Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan cau » phan cau, can cau, chinh cau
anh ban » anh bang, anh bai, anh van
ban cua » ban quan

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 ban cua dung ((cong dan) or (((cong thanh) or (cong san)))) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh ban cua dung ((cong dan) OR (((cong thanh) OR (cong san)))) chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - anh ban cua dung ((cong dan) or (((cong thanh) or (cong san)))) chan cau*.