Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phe phan gom snippets" » "phi phan gom snippets", "pho phan gom snippets", "phieu phan gom snippets", "phe phan ngoc snippets", "phe phan mem snippets", "phe phan bo 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: (((("phe phan gom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe phan gom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phe phan gom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phe phan gom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.