Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
lang mai » lang dai, lang hai, lang man
vien cac » vien bach, vien dai, vien da
luoc can » luc canh, hoc can, luoc dai
hanh vai » hanh vi, hanh va, hanh tai
ky lang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
duc van » duc va, duc tan, duc manh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 lang mai hoi. hieu vien cac ((duc van) or (luoc can)) hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang mai hoi. hieu vien cac ((duc van) OR (luoc can)) hanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang mai hoi. hieu vien cac ((duc van) or (luoc can)) hanh vai cuu tre*.