Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang luan a1 slippers" » "dung luan a1 slippers", "tang luan van slippers", "tang luan san slippers", "tang luan han slippers", "tang luan a1 slippery", "tang luan a1 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: (((("tang luan a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang luan a1 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang luan a1 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang luan a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.