Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham pha so snippets" » "pham phap so snippets", "kham pha so snippets", "pham ha so snippets", "pham nha so snippets", "pham pha bo 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 pha 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 pha so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham pha so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham pha so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.