Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cac, va cam, ve cai
tuc va » thuc va, truc va, tuc xa
va cuu » va cau, va chu, va huu

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: tu sach ty nang xa hoi. hieu ((ve cam) OR (((ve cham) OR (vu cham)))) tuc va hanh va cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. hieu ((ve cam) or (((ve cham) OR (vu cham)))) tuc va hanh va cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ((ve cam) or (((ve cham) OR (vu cham)))) tuc va hanh va cuu tre*.