Perhaps you should try some spelling variations:
cac ban » cac dan, cac van, can ban
duc ban » duc tan, duc van, dua ban
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
anh da » anh dat, anh d, anh va
da cua » dai cua, day cua, dan cua
o hai » co hai, so hai, o lai
o hoi » co hoi, o hoc, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty xang ((o hoi) OR (o hai)). lieu va cham ((duc ban) or (cac ban)) anh da cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang ((o hoi) OR (o hai)). lieu va cham ((duc ban) OR (cac ban)) anh da cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty xang ((o hoi) OR (o hai)). lieu va cham ((duc ban) or (cac ban)) anh da cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty xang ((o hoi) OR (o hai)). lieu va cham ((duc ban) or (cac ban)) anh da cua tre*.