Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
lam luc » lao luc, lam duoc
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
mang xa » lang xa, mang may, dang xay
di cua » dai cua, doi cua, de cua
va lam » van lam, va lap

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 y ((mang xa) or (nang ma)) hoi. lieu va lam luc ((va hanh) or (ban thanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((mang xa) OR (nang ma)) hoi. lieu va lam luc ((va hanh) OR (ban thanh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((mang xa) or (nang ma)) hoi. lieu va lam luc ((va hanh) or (ban thanh)) di cua tre*.