Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
trong van » trong cac
ky trong » ly trong, ke trong, cay trong
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
van hau » van ha, van hai, van dau
hau xuc » chat xuc
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

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