Perhaps you should try some spelling variations:
sach tham » sach nha
tham nang » nham nang, tham lang, tham nhung
lam truoc » lam thuoc, nam truoc, lam truong
truoc ban » truoc bang, thuoc ban, truc ban
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach tham nang xa hoi. hieu va lam truoc ban thanh ((vai cua) or (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tham nang xa hoi. hieu va lam truoc ban thanh ((vai cua) OR (lai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: toc sach tham nang xa hoi. hieu va lam truoc ban thanh ((vai cua) or (lai cua)) tre*.