Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach do voi snippets" » "mach so voi snippets", "mach o voi snippets", "sach dao voi snippets", "mach doi voi snippets", "mach dao voi snippets", "mach do moi 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 do voi 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 do voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach do voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach do voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.