Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
bat thanh » ban thanh, bac thanh, dat thanh
thanh ve » hanh ve, thanh va, thanh vien
su triet » su viet, su tien, ve triet
dang xay » dang van, van xay
hieu va » lieu va, hieu qua
cao luc » bao luc, cao duc, cao suc
luc bat » suc bat, luc nhat, luat bat
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y ((nang xa) or (dang xay)) hoi. hieu va cao luc bat thanh ve ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y ((nang xa) OR (dang xay)) hoi. hieu va cao luc bat thanh ve ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: thuoc sach y ((nang xa) or (dang xay)) hoi. hieu va cao luc bat thanh ve ((cua tre) or (su triet))*.