Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach su cao snippets" » "cach su cao snippets", "mach so cao snippets", "mach xu cao snippets", "mach cu cao snippets", "mach vu cao snippets", "mach su co 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 su cao 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 su cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach su cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach su cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.