Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
duc van » duc va, duc tan, duc manh
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu ve » hieu va
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua te » cua tu

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 sac ky lang ha noi. ((hieu ve) OR (hieu van)) cam ((thuc vat) OR (duc van)) hanh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang ha noi. ((hieu ve) OR (hieu van)) cam ((thuc vat) or (duc van)) hanh di cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang ha noi. ((hieu ve) OR (hieu van)) cam ((thuc vat) or (duc van)) hanh di cua te*.