Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh hang » thanh hoang, thanh thang, tranh hang
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, chinh cau, nhanh cau
va lang » hoa lang
va nang » van nang, da nang, cam nang
can cau » van cau, ban cau, ca cau

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 hang ((va lang) or (va nang)) cong dan ((chan cau) OR (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh hang ((va lang) OR (va nang)) cong dan ((chan cau) OR (can cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh hang ((va lang) or (va nang)) cong dan ((chan cau) OR (can cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh hang ((va lang) or (va nang)) cong dan ((chan cau) OR (can cau))*.