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