Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan su hoa snippets" » "phan suc hoa snippets", "phan tu hoa snippets", "nhan su hoa snippets", "phan su hoan snippets", "phan su hoat snippets", "phan su khoa 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 su hoa 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 su hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan su hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan su hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.