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