Perhaps you should try some spelling variations:
thuoc dan » thuoc dang, thuc dan, thuoc ban
nam thuoc » nam thuc, nam thu, nha thuoc
cau treo » cau theo, cau tren, cau triet
hieu ve » hieu va, hieu van
va san » va ban
san ky » sang ky, van ky, dan ky
ve nam » he nam, va nam, le nam
dan di » danh di, dan da, dan li
dan de » dan den, dang de, van de

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

• Performing a fuzzy search may retrieve terms with similar spellings: va san ky nang ((x ho) or (xa hoi)). hieu ve nam thuoc dan ((dan di) or (dan de)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: va san ky nang ((x ho) OR (xa hoi)). hieu ve nam thuoc dan ((dan di) OR (dan de)) cau treo.
• Adding a wildcard symbol may retrieve word variants: va san ky nang ((x ho) or (xa hoi)). hieu ve nam thuoc dan ((dan di) or (dan de)) cau treo*.