Perhaps you should try some spelling variations:
cuon sach » duong sach, cuoc cach, nuoc sach
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, hoc sach
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
xuc va » duc va, tuc va, luc va
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (((co sach) OR (cuon sach)))) ky dang xa hoi. hieu van cam xuc va hanh ve cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (((co sach) OR (cuon sach)))) ky dang xa hoi. hieu van cam xuc va hanh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (((co sach) OR (cuon sach)))) ky dang xa hoi. hieu van cam xuc va hanh ve cua triet*.