Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va cham » va chat, va tham
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
tuc va » thuc va, truc va, tuc xa
vi dai » si dai, li dai, vien dai
y nang » ky nang, ly nang, v nang
va dai » va dao, va dau, va dap
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang x hoi. hieu ((((va dai) OR (vi dai))) or (va cham)) tuc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ((((va dai) OR (vi dai))) OR (va cham)) tuc va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang x hoi. hieu ((((va dai) OR (vi dai))) or (va cham)) tuc va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ((((va dai) OR (vi dai))) or (va cham)) tuc va danh vi cua te*.