Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach den cac snippets" » "cach de cac snippets", "cach ben cac snippets", "mach dien cac snippets", "cach dien cac snippets", "cach dan cac 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: (((("cach den cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach den cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach den cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach den cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.