Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang le chat snippets" » "tang le chat snippets", "dung le chat snippets", "dang de chat snippets", "dang ly chat snippets", "dang le nhat snippets", "dang ve chat 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: (((("dang le chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang le chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang le chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang le chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.