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