Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
va dinh » van dinh, va kinh, va tinh
day cua » dai cua
dau cua » dai cua, cau cua, dan cua
te sach » toc sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
may hoi » may thoi, tay hoi, mai hoi
va danh » va dan, va hanh, dia danh
y mang » cay mang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y mang may hoi. hieu ve cham tuc ((va danh) OR (va dinh)) ((dau cua) OR (day cua)) viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y mang may hoi. hieu ve cham tuc ((va danh) or (va dinh)) ((dau cua) OR (day cua)) viet~".
• Adding a wildcard symbol may retrieve word variants: te sach y mang may hoi. hieu ve cham tuc ((va danh) or (va dinh)) ((dau cua) OR (day cua)) viet*.