Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
lang van » dang van, tang van, hoang van
cham tuc » nham thuc, pham thuc, tham thuc
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
di cua » dai cua, doi cua, de cua
cua cu » cua chu, cua cau, cua su

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 _ lang van hoa. hieu ve cham tuc ((van thanh) or (va hanh)) di cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach _ lang van hoa. hieu ve cham tuc ((van thanh) OR (va hanh)) di cua cu*.