Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
vi cua » vai cua, di cua
su sai » su tai, su hai, su dai
sai ky » sac ky
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien 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 sai ky nang ma hoi. hieu ((va cham) or (ve cac)) luc ((va hanh) OR (va thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky nang ma hoi. hieu ((va cham) OR (ve cac)) luc ((va hanh) OR (va thanh)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky nang ma hoi. hieu ((va cham) or (ve cac)) luc ((va hanh) OR (va thanh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: su sai ky nang ma hoi. hieu ((va cham) or (ve cac)) luc ((va hanh) OR (va thanh)) vi cua triet*.