Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
thuc day » thuc dan, thuc vat
su sach » so sach, vu sach
sach tu » sach thu, cach tu, sach ty
cua tre » cua te, cuu tre, cua triet
su tien » su kien, su hien, tu tieng
thuc da » thuc dan, thuc dia, thuc va
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
tu lang » cu lang, tu lanh, xu lang
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tu lang xa hoi. hieu ve nam ((thuc da) OR (thuc day)) thanh ha ((cua tre) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu lang xa hoi. hieu ve nam ((thuc da) OR (thuc day)) thanh ha ((cua tre) OR (su tien))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tu lang xa hoi. hieu ve nam ((thuc da) OR (thuc day)) thanh ha ((cua tre) or (su tien))*".