Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha gian doc snippets" » "pha gia doc snippets", "phap giang doc snippets", "pham giang doc snippets", "pha gian dac snippets", "pha gian don snippets", "pha giam doc 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: (((("pha gian doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha gian doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha gian doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha gian doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.