Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach cau de snippets" » "bach cau de snippets", "mach cao de snippets", "mach dau de snippets", "mach cau den snippets", "mach cau do snippets", "mach cuu 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 cau de 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 cau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach cau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.