Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
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: thu sach ky nang xa hoi. hieu ((ve cam) OR (va cam)) ((xuc van) OR (duc van)) hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xa hoi. hieu ((ve cam) OR (va cam)) ((xuc van) or (duc van)) hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ((ve cam) OR (va cam)) ((xuc van) or (duc van)) hanh vi cua te*.