Perhaps you should try some spelling variations:
luoc dai » cuoc doi, hoc dai, duc dai
sang tao » hang tai
tao khoi » tao hoi, thao khoa, lao khoa
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
hanh di » hanh vi, hanh de, hang di
duc van » duc va, duc tan, duc manh
hieu ve » hieu va, hieu van
ky sang » ky nang, ky dang, ky tang
san ky » sang ky, van ky, dan ky
ve cac » va cac, vien cac
te san » te ban, ke san, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky sang tao khoi. hieu ve cac ((duc van) or (luoc dai)) hanh di ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky sang tao khoi. hieu ve cac ((duc van) OR (luoc dai)) hanh di ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky sang tao khoi. hieu ve cac ((duc van) or (luoc dai)) hanh di ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te san ky sang tao khoi. hieu ve cac ((duc van) or (luoc dai)) hanh di ((cua tre) OR (cuu tre))*.