Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hieu cac » hieu luc, hieu va, hieu van
dao truc » dao tuc, dao tru, dai truc
truc van » truc va, thuc van, truc ban
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
cac dao » cac dan, ca dao, cac dai
cuu tre » cua tre, cau tren, cau treo
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ty xang xa hoi. hieu cac dao truc van ((anh va) or (hanh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ty xang xa hoi. hieu cac dao truc van ((anh va) OR (hanh vi)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: thuat sach ty xang xa hoi. hieu cac dao truc van ((anh va) or (hanh vi)) cuu tre*.