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