Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan nhan su slippers" » "chan nhan su slippers", "pham nhan su slippers", "phan nha su slippers", "phan nhan luc slippers", "phan nhan su slippery", "phan nhan 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 nhan 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 nhan su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan nhan su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan nhan su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.