Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam truc » cau truc, nam truc, lam truoc
bo sach » hoc sach
co sach » cuon sach, hoc sach
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((bo sach) or (co sach))) or (vu sach)) y nang xa hoi. lieu va cam truc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((bo sach) OR (co sach))) OR (vu sach)) y nang xa hoi. lieu va cam truc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((((bo sach) or (co sach))) or (vu sach)) y nang xa hoi. lieu va cam truc va hanh vi cua triet*.