Perhaps you should try some spelling variations:
luoc can » luc canh, hoc can, luoc dai
sang tao » hang tai
cuu tre » cua tre, cau tren, cau treo
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
cua te » cua tu
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky sang tao hoi. hieu ve cac ((duc va) or (luoc can)) hanh vi ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky sang tao hoi. hieu ve cac ((duc va) OR (luoc can)) hanh vi ((cua te) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sac ky sang tao hoi. hieu ve cac ((duc va) or (luoc can)) hanh vi ((cua te) or (cuu tre))*.