Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
chu tri » chua tri, chu thi, chu tai
nang ma » tang ma, sang ma, nang cao
ve cac » va cac, vien cac
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
vi chu » va chu, ve chu, viet chu
va cai » va cac, va bai, va dai

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 ma hoi. hieu ((((ve cac) or (va cai))) or (ve cham)) xuc va hanh vi chu tri~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. hieu ((((ve cac) OR (va cai))) OR (ve cham)) xuc va hanh vi chu tri.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. hieu ((((ve cac) or (va cai))) or (ve cham)) xuc va hanh vi chu tri*.