Perhaps you should try some spelling variations:
dang thai » dang thi, dang hai, dang khai
thai cua » than cua, tai cuc, tri cua
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
tu cach » tu cac
xuc ban » duc ban, cuc ban, quoc ban
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 thai 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 thai 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 thai cua tre*.