Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi de don snippets" » "doi deu don snippets", "dai de don snippets", "moi de don snippets", "doi de dong snippets", "doi de dan snippets", "doi de doi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi de don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi de don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi de don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi de don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.