Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu cua » hieu qua, dieu cua, bieu cua
cua tre » cua te, cuu tre, dua tren
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
tang ma » mang may, tang van
cac xuc » cam xuc, cac nuoc, chat xuc
ky tang » ky nang, ky dang, kho tang
cam ky » cao ky, cac ky
ma hoi » mai hoi, xa hoi, ma hoa
tu cam » tu cham, tu cac, tu nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cam ky tang ma hoi. hieu cua cac xuc ((va danh) or (va hanh)) ca ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cam ky tang ma hoi. hieu cua cac xuc ((va danh) OR (va hanh)) ca ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cam ky tang ma hoi. hieu cua cac xuc ((va danh) or (va hanh)) ca ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu cam ky tang ma hoi. hieu cua cac xuc ((va danh) or (va hanh)) ca ((cua tre) OR (cua triet))*.