Perhaps you should try some spelling variations:
cua quoc » cua nuoc, cua thuoc
toc sach » hoc sach, doc sach, thuoc sach
dang van » hoang van, hang va
va cham » va chat, va tham
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
van hoi » van hoa, van hoc, van hoe
tuc va » thuc va, truc va, tuc xa
y dang » ky dang, 2 dang, _ dang
vi cua » vai cua, di cua
ve cai » va cai, ve cac, ve tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) y dang van hoi. hieu ((ve cai) or (va cham)) tuc va danh vi cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) y dang van hoi. hieu ((ve cai) OR (va cham)) tuc va danh vi cua quoc.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) y dang van hoi. hieu ((ve cai) or (va cham)) tuc va danh vi cua quoc*.