Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
sanh ky » hanh ky, nganh ky, thanh ky
sang ky » sang kyo, dang ky, tang ky
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
duc ban » duc tan, duc van, dua ban
vai cua » dai cua, hai cua, lai cua
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sanh ky) OR (sang ky)) lang xa hoi. hieu ve cac duc ban hanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sanh ky) OR (sang ky)) lang xa hoi. hieu ve cac duc ban hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: so ((sanh ky) OR (sang ky)) lang xa hoi. hieu ve cac duc ban hanh vai cua triet*.