Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan tuy hoa snippets" » "phan tu hoa snippets", "phan huy hoa snippets", "phan duy hoa snippets", "phan thuy hoa snippets", "phan tay hoa 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: (((("phan tuy hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan tuy hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan tuy hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tuy hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.