Perhaps you should try some spelling variations:
xach tay » canh tay
thanh va » thanh van, hanh va, thanh ha
sach thu » sach thue, sach thieu, sach tham
cac cuoc » cac nuoc, ca cuoc, cac quoc
cac luoc » cac nuoc, cac quoc, cac lop
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
va cua » va chua, via cua, ca cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((xach tay) or (sach thu)) nang x hoi. hieu ve ((cac luoc) OR (cac cuoc)) dinh thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach thu)) nang x hoi. hieu ve ((cac luoc) OR (cac cuoc)) dinh thanh va cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((xach tay) or (sach thu)) nang x hoi. hieu ve ((cac luoc) OR (cac cuoc)) dinh thanh va cua tre*".