Perhaps you should try some spelling variations:
sach phat » sach nha, sach tham, cach pha
hanh lai » hanh lam, hanh tai, thanh lap
su sach » so sach, vu sach
lai cua » dai cua, hai cua, lai chau
thuc va » thuc vat, thuc dan, thuc day
van lam » van nam
thi van » thi lan, thi hanh, thi nang
lang ha » long ha
lang xa » dang xay, lang van
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: su sach phat ((lang xa) or (lang ha)) hoi. thi van lam ((duc va) or (thuc va)) hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach phat ((lang xa) OR (lang ha)) hoi. thi van lam ((duc va) OR (thuc va)) hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach phat ((lang xa) or (lang ha)) hoi. thi van lam ((duc va) or (thuc va)) hanh lai cua tre*.