Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nang xa » lang xa, nang ma, mang xa
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y ((nang xa) or (nang x)) hoi. hieu ((van lam) or (van nam)) xuc va hanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((nang xa) OR (nang x)) hoi. hieu ((van lam) OR (van nam)) xuc va hanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y ((nang xa) or (nang x)) hoi. hieu ((van lam) or (van nam)) xuc va hanh va cuu tre*.