Perhaps you should try some spelling variations:
vien dai » hien dai
cua tre » cua te, cuu tre, cua triet
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
loc va » hoc va, luc va
tu sac » tu sach, tu cac, tu 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: tu sac ky ((mang may) or (nang cao)) hoi. hieu ((ve cac) or (vien dai)) loc va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((mang may) OR (nang cao)) hoi. hieu ((ve cac) OR (vien dai)) loc va danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((mang may) or (nang cao)) hoi. hieu ((ve cac) or (vien dai)) loc va danh vi cua tre*.