Perhaps you should try some spelling variations:
te sach » toc sach
xay hoi » tay hoi, cay phoi, gay thoi
va hanh » van hanh, va thanh, va danh
sach v » sach va, sach y, sach 2
v dang » vu dang, va dang, 2 dang
va cam » va cham, va cao, va cai
vi cua » vai cua, di cua
cua te » cua tu

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 v dang ((xay hoi) OR (xa hoi)). hieu ((va cam) or (va cac)) duc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v dang ((xay hoi) OR (xa hoi)). hieu ((va cam) OR (va cac)) duc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v dang ((xay hoi) OR (xa hoi)). hieu ((va cam) or (va cac)) duc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: te sach v dang ((xay hoi) OR (xa hoi)). hieu ((va cam) or (va cac)) duc va hanh vi cua te*.