Perhaps you should try some spelling variations:
phap thuat » phau thuat, phap luat, phap phat
thuat vat » thuat va, thuc vat, thuat xay
hanh hai » thanh hai, nhanh hai, hang hai
vat hanh » vat thanh, van hanh, va hanh
bo sach » hoc sach
hai cua » thai cua, dai cua, hoi cua
va phap » va phat, ban phap
cua tre » cua te, cuu tre, cua triet
lang ha » long ha
lang xa » dang xay, lang van
co sach » cuon sach, hoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) or (co sach)) tu ((lang xa) or (lang ha)) hoi. lieu va phap thuat vat hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (co sach)) tu ((lang xa) OR (lang ha)) hoi. lieu va phap thuat vat hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((bo sach) or (co sach)) tu ((lang xa) or (lang ha)) hoi. lieu va phap thuat vat hanh hai cua tre*.