Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
cua tre » cua te, cuu tre, dua tren
va hanh » van hanh, va thanh, va danh
sanh ky » hanh ky, sang ky, nganh ky
so sanh » do sanh
long ha » dong ha, cong ha, dong hoa
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
du va » dau va, tu va, su 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: so sanh ky ((lang xa) OR (long ha)) hoi. hieu ve cac du va hanh vai ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ky ((lang xa) or (long ha)) hoi. hieu ve cac du va hanh vai ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: so sanh ky ((lang xa) or (long ha)) hoi. hieu ve cac du va hanh vai ((cua tre) OR (cua triet))*.