Perhaps you should try some spelling variations:
thanh moi » thanh loi, thanh hoa, thanh hai
ban thanh » ban hanh, ban hang
luan ban » luan van, luan san, luan han
moi cua » hoi cua, doi cua, moi quan
nang xa » nang x, lang xa, nang ma
cua te » cua tu
va dao » ca dao
sac ky » sai ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) or (cac ky)) nang xa hoi. hieu ((va dau) OR (va dao)) luan ban thanh moi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) nang xa hoi. hieu ((va dau) OR (va dao)) luan ban thanh moi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (cac ky)) nang xa hoi. hieu ((va dau) OR (va dao)) luan ban thanh moi cua te".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (cac ky)) nang xa hoi. hieu ((va dau) OR (va dao)) luan ban thanh moi cua te*.