Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cau thuc » cau truc, cuu thuc, can thuc
sach ty » sach y, sach tu, sach thu
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
nang xa » lang xa, nang ma, mang xa
va cau » van cau, va cac, va dau
sac ky » cac ky, sai ky
va cua » va chua, via cua, ca cua

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 ty) or (sac ky)) ((nang xa) or (nang x)) hoi. lieu va cau thuc va hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sac ky)) ((nang xa) OR (nang x)) hoi. lieu va cau thuc va hanh va cua triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sac ky)) ((nang xa) or (nang x)) hoi. lieu va cau thuc va hanh va cua triet*.