Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cac truc » cau truc, cac tru, cac trung
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
so sach » so sanh, bo sach, co sach
sach uu » sach luu, sach tu, sach xu
uu nang » cuu nang, vu nang, cuu nong
qua cac » cua cac
doi cua » dai cua, hoi cua
x hoi » xa hoi, o hoi, x ho

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 uu nang x hoi. hieu qua cac truc ((van hanh) OR (ban hanh)) doi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach uu nang x hoi. hieu qua cac truc ((van hanh) OR (ban hanh)) doi cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach uu nang x hoi. hieu qua cac truc ((van hanh) OR (ban hanh)) doi cua triet*.