Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
dinh vi » dinh ve, dinh viet, dinh tri
dinh di » dinh du, danh di, dinh da
duc van » duc va, duc tan, duc manh
vu sac » vu sach, vu san, va sac
va cao » va cac, va co, va dao
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
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: vu sac ky sang ma hoi. hieu ((ve cac) OR (va cao)) duc van ((dinh di) OR (dinh vi)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky sang ma hoi. hieu ((ve cac) or (va cao)) duc van ((dinh di) OR (dinh vi)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu sac ky sang ma hoi. hieu ((ve cac) or (va cao)) duc van ((dinh di) OR (dinh vi)) cua tre*.