Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh soc » thanh son, nhanh soc, thanh hoc
va thanh » gia thanh, ban thanh, va tinh
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
hieu va » lieu va, hieu qua
va hanh » van hanh, va danh, ban hanh
cua tre » cuu tre, dua tren, cua thep
ha hoi » hoa hoi, ha noi, xa hoi
sac ky » cac ky, sai ky
soc va » hoc va, loc va, doc va
cua te » cua tu
te sac » te sach, te cac, te san

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 dang ha hoi. hieu va thanh soc va hanh vi ((((cua tre) OR (cua te))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang ha hoi. hieu va thanh soc va hanh vi ((((cua tre) OR (cua te))) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky dang ha hoi. hieu va thanh soc va hanh vi ((((cua tre) OR (cua te))) or (cua triet))*".