Perhaps you should try some spelling variations:
chua trieu » cua triet, cau trieu, chua thiet
chua tre » chua tri, cua tre, cho tre
sach ky » sac ky, sach y, sach ty
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
te sach » toc sach
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu van
ky sang » ky nang, ky dang, ky tang
hieu va » lieu va, hieu qua
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky sang ma hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh va ((chua tre) OR (chua trieu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang ma hoi. ((hieu ve) or (hieu va)) cam xuc va hanh va ((chua tre) OR (chua trieu))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky sang ma hoi. ((hieu ve) or (hieu va)) cam xuc va hanh va ((chua tre) OR (chua trieu))*.