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