Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"chen su dan snippets" » "chen yu dan snippets", "chun su dan snippets", "chuyen su dan snippets", "chen su dang snippets", "chen cu dan snippets", "chen so dan snippets", "chen su dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("chen su dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( chen su dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("chen su dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.