Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
ve cham » ve chat, vu cham, ve chim
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
huu tre » huu tri, cuu tre, huu them
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
va cai » va cac, va bai, va dai
tuc va » thuc va, truc va, tuc xa
va huu » vu huu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. hieu ((va cai) or (((ve cham) or (va cham)))) tuc va hanh va huu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ((va cai) OR (((ve cham) OR (va cham)))) tuc va hanh va huu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ((va cai) or (((ve cham) or (va cham)))) tuc va hanh va huu tre*.