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