Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam tap don snippets" » "nam tai don snippets", "nam tan don snippets", "nam ap don snippets", "nam tap doan snippets", "nam tap dong snippets", "nam tap ion 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 tap don 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 tap don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam tap don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam tap don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.