Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hoa tinh » hoa sinh, hoa binh, ha tinh
thanh vi » hanh vi, thanh va, thanh ve
nang mai » nang ma, nang tai, lang mai
va thanh » gia thanh, ban thanh, va tinh
mai hoi » mai khoi, dai hoi, lai hoi
truc va » thuc va, thuc vat, trung va
vi cua » vai cua, di cua
ve cac » va cac, vien cac
v nang » va nang, vu nang, van nang
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((cho sinh) or (hoa tinh)) v nang mai hoi. hieu ((va cam) or (ve cac)) truc va thanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cho sinh) OR (hoa tinh)) v nang mai hoi. hieu ((va cam) OR (ve cac)) truc va thanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: ((cho sinh) or (hoa tinh)) v nang mai hoi. hieu ((va cam) or (ve cac)) truc va thanh vi cua viet*.