Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc chao chu snippets" » "toc cham chu snippets", "toc cao chu snippets", "buoc chao chu snippets", "toc cho chu snippets", "toc cua chu snippets", "toc cao cho 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 chao chu 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 chao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc chao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc chao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.