Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
cong thanh » dong thanh, cong trinh, cong tan
thien anh » thien danh, tien anh, thien thanh
tang luan » dung luan
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
dien anh » tieng anh, dien dan
anh tang » anh bang, anh dang, anh nang
san cau » van cau, ban cau, can 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) or (((thien anh) or (dien anh)))) - anh tang luan cong cong thanh san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((thien anh) OR (dien anh)))) - anh tang luan cong cong thanh san cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((thien anh) or (dien anh)))) - anh tang luan cong cong thanh san cau*.