Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
xuc van » duc van, luc van, xuc ban
vi cua » vai cua, di cua
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
cua te » cua tu

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) OR (thu sach)) ky lang xa hoi. hieu ((va cam) OR (va cao)) xuc van hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thu sach)) ky lang xa hoi. hieu ((va cam) OR (va cao)) xuc van hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky lang xa hoi. hieu ((va cam) OR (va cao)) xuc van hanh vi cua te*.