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