Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
tu sac » tu sach, tu cac, tu bac
tu san » thu san, tu ban, tu can
co hoi » co hoc, co loi
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc 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: ((tu sac) or (tu san)) ky nang co hoi. hieu ve cau luc va hanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang co hoi. hieu ve cau luc va hanh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang co hoi. hieu ve cau luc va hanh ve cua triet*.