Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
xuc van » duc van, luc van, xuc ban
hanh di » hanh vi, hanh de, hang di
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
va nay » va ngay, va cay

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 ((nang xa) or (lang xa)) hoi. lieu va nay xuc van ((hanh di) or (hanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (lang xa)) hoi. lieu va nay xuc van ((hanh di) OR (hanh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang xa) or (lang xa)) hoi. lieu va nay xuc van ((hanh di) or (hanh ve)) cua tre*.