Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan doc toc snippets" » "phan duoc toc snippets", "phan duc toc snippets", "than doc toc snippets", "phan doc cuoc snippets", "phan doc thuc 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 doc toc 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 doc toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan doc toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan doc toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.