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