Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cat van do snippets" » "chat van do snippets", "cac van do snippets", "cao van do snippets", "cat van dao snippets", "cat van de snippets", "cat van du 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: (((("cat van do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cat van do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cat van do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cat van do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.