Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach cao he snippets" » "mac ca he snippets", "sach cap he snippets", "mach lac he snippets", "mach tao he snippets", "mach cao h snippets", "mach cac he 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 cao he 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 cao he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach cao he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach cao he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.