Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
day hanh » day nhanh, day thanh, dao hanh
thuc day » thuc dan, thuc vat
sach thu » sach thue, sach thieu, sach tham
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
do thuc » hoc thuc, dan thuc
sach tu » cach tu, sach uu, sach xu
sach ty » sach y, xach tay, sach hay
cua tre » cua te, cuu tre, cua triet
va do » va dao, va doc, va co
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((((sach tu) OR (sach ty))) or (sach thu)) nang x hoi. hieu va do thuc day hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach tu) OR (sach ty))) OR (sach thu)) nang x hoi. hieu va do thuc day hanh lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach tu) OR (sach ty))) or (sach thu)) nang x hoi. hieu va do thuc day hanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: te ((((sach tu) OR (sach ty))) or (sach thu)) nang x hoi. hieu va do thuc day hanh lai cua tre*.