Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, pham thuc
hieu van » hieu va, thien van, lieu va
hanh doi » thanh doi, hanh noi, hang doi
van hanh » van thanh, ban hanh, van anh
nham thu » nam thu, pham thu, nhan thuc
nang ho » nang hoc, nang co, tang ho
doi cua » dai cua, hoi cua
ho hoi » hoc hoi, hoa hoi, hoi hoi
su cao » cu cao, vu cao, su co
su cac » tu cac, su can, eu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cac) or (su cao)) ky nang ho hoi. hieu van ((nham thuc) OR (nham thu)) van hanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (su cao)) ky nang ho hoi. hieu van ((nham thuc) OR (nham thu)) van hanh doi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cac) or (su cao)) ky nang ho hoi. hieu van ((nham thuc) OR (nham thu)) van hanh doi cua triet*".