Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
duc manh » suc manh, duc anh, duc minh
duc hanh » duc thanh, duc anh, du hanh
hieu ve » hieu va, hieu van
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di 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: su xac ky nang x hoi. hieu ve cam ((duc manh) or (((duc hanh) or (duc tan)))) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky nang x hoi. hieu ve cam ((duc manh) OR (((duc hanh) OR (duc tan)))) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su xac ky nang x hoi. hieu ve cam ((duc manh) or (((duc hanh) or (duc tan)))) hanh vi cua triet*.