Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
va tinh » may tinh
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
va hieu » van hieu, va dieu, va hien
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
vai va » mai va, dai va, hai va

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 ky nang ma hoi. hieu va cham xuc ((va hanh) or (((va tinh) or (gia thanh)))) vai va hieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. hieu va cham xuc ((va hanh) OR (((va tinh) OR (gia thanh)))) vai va hieu.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu va cham xuc ((va hanh) or (((va tinh) or (gia thanh)))) vai va hieu*.