Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc do co snippets" » "toc dao co snippets", "toc co co snippets", "hoc do co snippets", "toc do cao snippets", "toc vo co snippets", "toc do bo 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 do co 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 do co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc do co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.