Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nguoi dan » nguoi dao, nguoi san, nguong dan
tien anh » tieng anh, tien manh, dien anh
cua tang » cua hang, ca tang, cua lang
cua dang » cua cong, cua ban
dan toan » van toan, dan than, manh toan
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) or (tien anh)) - canh tranh ((cua tang) or (cua dang)) nguoi dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (tien anh)) - canh tranh ((cua tang) OR (cua dang)) nguoi dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - canh tranh ((cua tang) or (cua dang)) nguoi dan toan tap*.