Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich bao toc snippets" » "tich va toc snippets", "tich cac toc snippets", "tich bao ton snippets", "tich bao goc snippets", "tich bao hoc 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: (((("tich bao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich bao toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich bao toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich bao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.