Perhaps you should try some spelling variations:
thanh hoai » thanh hoa, thanh hai, thanh oai
tan thanh » tran thanh, tang thanh, toan thanh
chuc theo » thuoc theo, cau theo, chuc thi
hieu van » hieu va, thien van, lieu va
chuc tre » thuc tre, thuc te, chuc thi
nang xa » lang xa, nang ma, mang xa
dao duc » giao duc, tao duoc
tu sai » tu bai, tu san, tu cai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky ((nang xa) or (nang x)) hoi. hieu van dao duc tan thanh hoai ((chuc tre) OR (chuc theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((nang xa) OR (nang x)) hoi. hieu van dao duc tan thanh hoai ((chuc tre) OR (chuc theo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky ((nang xa) or (nang x)) hoi. hieu van dao duc tan thanh hoai ((chuc tre) OR (chuc theo))*".