Perhaps you should try some spelling variations:
thuoc sach » hoc sach, thuat sach, thuoc sinh
nuoc sach » nguoi sach, hoc sach, cuoc cach
bat thanh » ban thanh, bac thanh, dat thanh
thanh ve » hanh ve, thanh va, thanh vien
luc bat » suc bat, luc nhat, luat bat
cao luc » bao luc, cao duc, cao suc
cua tre » cua te, cuu tre, cua triet
nang xa » lang xa, nang ma, mang xa
va cao » va cac, va co, va dao
ve cua » le cua, de cua, te cua

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) OR (nuoc sach)) y ((nang xa) or (nang x)) hoi. lieu va cao luc bat thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (nuoc sach)) y ((nang xa) OR (nang x)) hoi. lieu va cao luc bat thanh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sach) OR (nuoc sach)) y ((nang xa) or (nang x)) hoi. lieu va cao luc bat thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) OR (nuoc sach)) y ((nang xa) or (nang x)) hoi. lieu va cao luc bat thanh ve cua tre*.