Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cham luc » cham soc, nhan luc, cham cuu
sach lo » sach dao, sach doi, sach hoi
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va
vi cua » vai cua, di 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 lo ((nang xa) or (nang x)) hoi. hieu ve cham luc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach lo ((nang xa) OR (nang x)) hoi. hieu ve cham luc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach lo ((nang xa) or (nang x)) hoi. hieu ve cham luc va hanh vi cua tre*.