Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc dong ve snippets" » "tac dong ve snippets", "toc cong ve snippets", "hoc dong ve snippets", "toc duong ve snippets", "toc dong va snippets", "toc long ve 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 dong ve 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 dong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc dong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc dong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.