Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan dan su slippers" » "phan dang su slippers", "phan dau su slippers", "nhan dan su slippers", "phan dan su slippery", "phan dan su grippers"
"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 dan su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dan su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan dan su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dan su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.