Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan tap hon snippets" » "phan lap hon snippets", "han tap hon snippets", "phan tu hon snippets", "phan tap chon snippets", "phan tap hop snippets", "phan tap 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 tap hon 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 tap hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan tap hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tap hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.