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