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