Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
tham tuc » tham thuc, thai tuc, nham thuc
danh sai » dung sai, danh bat, danh dau
lang xa » lang ha, dang xay, lang van
va tham » van tham, va cham, va thanh
va danh » va dinh, va dan, va hanh
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 (nang x)) hoi. lieu va tham tuc va danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y ((lang xa) OR (nang x)) hoi. lieu va tham tuc va danh sai cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach y ((lang xa) or (nang x)) hoi. lieu va tham tuc va danh sai cua tre*.