Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
nang mai » nang ma, nang tai, lang mai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
so sanh » do sanh
mai hoi » mai khoi, dai hoi, lai hoi
ve cham » va cham, ve chat, vu cham
sanh y » sinh y, anh y, hanh y
ve cam » ve cac, va cam, ve cai
y nang » ky nang, ly nang, v nang

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

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