Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cac truc » cau truc, cac tru, cac trung
su sach » so sach, vu sach
vu nang » vuc nang, va nang, v nang
vu dang » su dang, vu quang, cua dang
qua cac » cua cac
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((vu nang) OR (vu dang)) xa hoi. hieu qua cac truc va hanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((vu nang) OR (vu dang)) xa hoi. hieu qua cac truc va hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((vu nang) OR (vu dang)) xa hoi. hieu qua cac truc va hanh di cua triet*.