Perhaps you should try some spelling variations:
dang thi » hoang thi, dang khoi
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
tu cach » tu cac
xuc ban » duc ban, cuc ban, quoc ban
thi cua » thai cua, thi cuc, tri cua
duc van » duc va, duc tan, duc manh
van lam » van nam
tang xa » trang xa, tang ma, lang xa
te sach » toc sach
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) kho tang xa hoi. hieu van lam ((xuc ban) or (duc van)) dang thi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) kho tang xa hoi. hieu van lam ((xuc ban) OR (duc van)) dang thi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) kho tang xa hoi. hieu van lam ((xuc ban) or (duc van)) dang thi cua tre*.