Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trac toc hoc snippets" » "trac hoc hoc snippets", "thac toc hoc snippets", "cac toc hoc snippets", "trac toan hoc snippets", "trac duoc hoc 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: (((("trac toc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trac toc hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trac toc hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trac toc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.