Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam gian don snippets" » "dan gian don snippets", "don gian don snippets", "nam giao don snippets", "dam gian dan snippets", "dam giang son snippets", "dam gian dien snippets"
"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: (((("dam gian don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam gian don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam gian don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam gian don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.