Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc van ho snippets" » "hoc van ho snippets", "toc san ho snippets", "tac van ho snippets", "toc van hoa snippets", "toc van hoc snippets", "toc van hoe 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: (((("toc van ho 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 van ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc van ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc van ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.