Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den quan che snippets" » "dien quan che snippets", "dan quan che snippets", "de quan che snippets", "den quan he snippets", "den han che snippets", "den quan ha 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: (((("den quan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den quan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den quan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den quan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.