Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc tao cau snippets" » "toc tay cau snippets", "toc dao cau snippets", "toc ta cau snippets", "toc tao cu snippets", "toc tao cao snippets", "toc tao sau 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 tao cau 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 tao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc tao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc tao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.