Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
nham thu » nham thuc, nam thu, pham thu
cham tuc » nham thuc, pham thuc, tham thuc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
sach ki » sach kinh, sach bai, sach kem
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ki ((nang xa) OR (nang ma)) hoi. hieu ve ((cham tuc) or (nham thu)) va hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ki ((nang xa) OR (nang ma)) hoi. hieu ve ((cham tuc) OR (nham thu)) va hanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ki ((nang xa) OR (nang ma)) hoi. hieu ve ((cham tuc) or (nham thu)) va hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ki ((nang xa) OR (nang ma)) hoi. hieu ve ((cham tuc) or (nham thu)) va hanh vai cua triet*.