Perhaps you should try some spelling variations:
luoc can » luc canh, hoc can, duoc cac
sang tao » hang tai
luoc dai » cuoc doi, hoc dai, duc dai
cua tre » cua te, cuu tre, cua triet
hanh te » hanh tu, hanh ve, hanh de
duc van » duc va, duc tan, duc manh
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ky sang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
te cua » tue cua, le cua, de cua
te sac » te sach, te cac, te 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 sac ky sang tao hoi. hieu ve cac ((duc van) or (((luoc can) or (luoc dai)))) hanh te cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky sang tao hoi. hieu ve cac ((duc van) OR (((luoc can) OR (luoc dai)))) hanh te cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky sang tao hoi. hieu ve cac ((duc van) or (((luoc can) or (luoc dai)))) hanh te cua tre*.