Perhaps you should try some spelling variations:
cay phoi » tay hoi, cay cho, gap phoi
cap phoi » cap cho
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
sang ky » sang kyo, dang ky, tang ky
vi cua » vai cua, di cua
ve cac » va cac, vien cac
cua te » cua tu
dan ky » van ky

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sang ky) OR (dan ky)) va ((cay phoi) OR (cap phoi)). hieu ve cac duc va danh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sang ky) or (dan ky)) va ((cay phoi) OR (cap phoi)). hieu ve cac duc va danh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: tu ((sang ky) or (dan ky)) va ((cay phoi) OR (cap phoi)). hieu ve cac duc va danh vi cua te*.