Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sam dan chan snippets" » "sam dan gian snippets", "sam dan ca snippets", "sam van chat snippets", "nam dan chan snippets", "ham dan chan snippets", "sa dan chan 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: (((("sam dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam dan chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sam dan chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sam dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.