Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ha so snippets" » "pham hoa so snippets", "pham ma so snippets", "pham va so snippets", "pham ha son snippets", "pham hai so snippets", "pham ham 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 ha so 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 ha so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ha so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ha so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.