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