Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
cham so » cham o, ham so, cham hoi
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky tang ma hoi. hieu va ((cham so) OR (cham soc)) ban hanh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky tang ma hoi. hieu va ((cham so) OR (cham soc)) ban hanh vi cua triet*.