Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
luoc can » luc canh, hoc can, luoc dai
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
te sac » te sach, te san
ma hoi » mai hoi, xa hoi, ma hoa
te cac » tu cac, te cao, de cac
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: ((te sac) OR (te cac)) ky nang ma hoi. hieu ve cac ((duc van) OR (luoc can)) hanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te cac)) ky nang ma hoi. hieu ve cac ((duc van) OR (luoc can)) hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sac) OR (te cac)) ky nang ma hoi. hieu ve cac ((duc van) OR (luoc can)) hanh vai cua triet*.