Perhaps you should try some spelling variations:
dia danh » dia ban, gia dinh
su sach » so sach, vu sach
sai cua » dai cua, hai cua, lai cua
nam dan » nam dinh
sach ty » sach y, sach tu, sach thu
hieu he » hieu ve, hiem he, hieu le
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
cua tre » cua te, cuu tre, cua triet
he nam » ha nam, nghe 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 ty ((nang ma) OR (sang ma)) hoi. hieu he nam thu ((dia danh) or (nam dan)) sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang ma) OR (sang ma)) hoi. hieu he nam thu ((dia danh) OR (nam dan)) sai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((nang ma) OR (sang ma)) hoi. hieu he nam thu ((dia danh) or (nam dan)) sai cua tre*".