Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ma hoi. hieu ve cac ((xuc va) or (tuc va)) hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ma hoi. hieu ve cac ((xuc va) OR (tuc va)) hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ma hoi. hieu ve cac ((xuc va) or (tuc va)) hanh di cua triet*.