Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat xa de snippets" » "phat ha de snippets", "phan xay de snippets", "pham xay de snippets", "phat va de snippets", "phat xa do snippets", "phat a de 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: (((("phat xa de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat xa de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat xa de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat xa de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.