Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam gap do snippets" » "nam ap do snippets", "nam giao do snippets", "nam giai do snippets", "nam gap doi snippets", "nam cap do snippets", "nam gap o 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: (((("nam gap do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam gap do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam gap do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam gap do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.