Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cong cua » cong cu, dong cua, huong cua
so sach » so sanh, co sach, hoc sach
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, va hanh
lam xuc » cam xuc, lam duoc
van lam » van nam
cua hoi » cua moi
ky cong » ke cong, ly cong, khu cong
bo sach » co sach, hoc sach
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (bo sach)) ky cong cua hoi. hieu van lam xuc ((va danh) or (va thanh)) lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) ky cong cua hoi. hieu van lam xuc ((va danh) OR (va thanh)) lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (bo sach)) ky cong cua hoi. hieu van lam xuc ((va danh) or (va thanh)) lai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (bo sach)) ky cong cua hoi. hieu van lam xuc ((va danh) or (va thanh)) lai cua tre*.