Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc tu doi snippets" » "hoc tu doi snippets", "toc ta doi snippets", "tac tu doi snippets", "toc tu do snippets", "toc te doi snippets", "toc tu di 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 tu doi 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 tu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc tu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc tu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.