Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach va he snippets" » "mach vi he snippets", "sach va he snippets", "mac va he snippets", "mach va che snippets", "mach va ghe snippets", "mach va de 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: (((("mach va he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mach va he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach va he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach va he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.