Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
cua triet » cua viet, su triet, va triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
vai cua » dai cua, hai cua, lai cua
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 ve pham thuc ((va danh) OR (va hanh)) vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. hieu ve pham thuc ((va danh) OR (va hanh)) vai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu ve pham thuc ((va danh) OR (va hanh)) vai cua triet*.