Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
ly nang » ky nang, ly hang, ly vang
tuc gia » tac gia, duc gia, toc gia
va cao » va cac, va co, va dao
de cua » le cua, te cua, dieu cua
va cam » va cham, va cac, va cai
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) OR (tu sach)) ly nang x hoi. hieu ((va cam) or (va cao)) tuc gia thanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ly nang x hoi. hieu ((va cam) OR (va cao)) tuc gia thanh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ly nang x hoi. hieu ((va cam) or (va cao)) tuc gia thanh de cua te".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) ly nang x hoi. hieu ((va cam) or (va cao)) tuc gia thanh de cua te*.