Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
thanh son » thanh san, thanh cong, thanh toan
va triet » va thiet, va trien, ve triet
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, dua tren
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va hanh » van hanh, va danh, ban hanh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
son va » song va, son la, lon va

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 ky lang xa hoi. hieu va thanh son va hanh vi ((cua tre) or (((cua triet) OR (va triet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu va thanh son va hanh vi ((cua tre) OR (((cua triet) OR (va triet)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. hieu va thanh son va hanh vi ((cua tre) or (((cua triet) OR (va triet))))".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu va thanh son va hanh vi ((cua tre) or (((cua triet) OR (va triet))))*.