Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
trong van » trong cac
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, hoa viet, cua vat
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y ((lang xa) or (trong van)) hoi. hieu van cam duc va thanh dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y ((lang xa) OR (trong van)) hoi. hieu van cam duc va thanh dai cua viet.
• Adding a wildcard symbol may retrieve word variants: toc sach y ((lang xa) or (trong van)) hoi. hieu van cam duc va thanh dai cua viet*.