Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
sang mai » sang ma, sang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
danh lai » danh sai, gianh lai, dinh lam
chau tre » chay tren, chau tho, cho tre
ky sang » ky nang, ky dang, ky tang
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
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: ve cac ky sang mai khoi. hieu ve ((((nam moc) or (nam thuoc))) or (cam xuc)) va danh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ve cac ky sang mai khoi. hieu ve ((((nam moc) OR (nam thuoc))) OR (cam xuc)) va danh lai chau tre.
• Adding a wildcard symbol may retrieve word variants: ve cac ky sang mai khoi. hieu ve ((((nam moc) or (nam thuoc))) or (cam xuc)) va danh lai chau tre*.