Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"huy can dan snippets" » "duy can dan snippets", "thuy canh dan snippets", "huy tran dan snippets", "huy canh dan snippets", "huy cac dan snippets", "huy can ban snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("huy can dan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( huy can dan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("huy can dan snippets"))) or ("locating bug core snippets"))*.