Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
tan banh » tan binh, ban banh, tang binh
sach ty » sach y, sach tu, xach tay
nang xa » nang x, lang xa, nang ma
lam duc » lam duoc, pham duc, nam duoc
banh vi » hanh vi, ban vi, benh vi
cua tre » cua te, cuu tre, cua triet
va lam » van lam, va lap
cua tu » cua tuc, cua su, cua cu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) nang xa hoi. lieu va lam duc tan banh vi ((cua tre) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach thu)) nang xa hoi. lieu va lam duc tan banh vi ((cua tre) or (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach thu)) nang xa hoi. lieu va lam duc tan banh vi ((cua tre) or (cua tu))*.