Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam lam so snippets" » "nam nam so snippets", "cam lam so snippets", "lam lam so snippets", "nam lam son snippets", "nam ham so 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 lam so 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 lam so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam lam so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam lam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.