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