Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan don den snippets" » "phan dong den snippets", "phan bon den snippets", "phan do den snippets", "phan don dien snippets", "phan dan den snippets", "phan don dep 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 don 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 don den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan don den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.