Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
va triet » va thiet, va trien, ve triet
sang ky » sang kyo, dang ky, tang ky
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac thu » cach thuc, cac thoi
va hanh » van hanh, va thanh, va danh
ban ky » van ky, dan ky
ve cac » va cac, vien cac
thu va » thuc va, thue va, tu va
dai va » mai va

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 ((ban ky) OR (sang ky)) lang xa hoi. hieu ve cac thu va hanh dai va triet~.
• Adding a wildcard symbol may retrieve word variants: tu ((ban ky) or (sang ky)) lang xa hoi. hieu ve cac thu va hanh dai va triet*.