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