Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
nang mai » nang ma, nang tai, lang mai
va dinh » van dinh, va tinh, vu dinh
va kinh » va tinh, qua kinh
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
va danh » va dan, va hanh, dia danh
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang mai hoi. hieu ve cam xuc ((va danh) or (((va dinh) OR (va kinh)))) vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang mai hoi. hieu ve cam xuc ((va danh) OR (((va dinh) OR (va kinh)))) vi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang mai hoi. hieu ve cam xuc ((va danh) or (((va dinh) OR (va kinh)))) vi cua viet".
• Adding a wildcard symbol may retrieve word variants: so sach y nang mai hoi. hieu ve cam xuc ((va danh) or (((va dinh) OR (va kinh)))) vi cua viet*.