Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ky den snippets" » "pham ky den snippets", "than ky den snippets", "phap ky den snippets", "phan ky dan snippets", "phan ky yen 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: (((("phan ky 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: (((("phan ky den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ky den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ky den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.