Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao he can snippets" » "tao he can snippets", "nao de can snippets", "nam he can snippets", "nao he dan snippets", "nao he van snippets", "nao he cac 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: (((("nao he can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao he can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao he can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao he can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.