Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
danh sai » dung sai, danh bat, danh dau
cau tren » cu tren, dau tren, ca tren
thu cac » tu cac, thu xac, thu cuc
ky danh » ky anh, ky dang
mai hoi » dai hoi, lai hoi, mai doi
nam duc » nam duoc, pham duc, nam thuc
va danh » va dinh, va dan, va hanh
sai cau » lai chau, mai chau, hai chau
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cac ky danh ((mai hoi) or (mai khoi)). lieu va nam duc va danh sai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cac ky danh ((mai hoi) OR (mai khoi)). lieu va nam duc va danh sai cau tren.
• Adding a wildcard symbol may retrieve word variants: thu cac ky danh ((mai hoi) or (mai khoi)). lieu va nam duc va danh sai cau tren*.