Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung cua 10 slippers" » "dung luan 10 slippers", "dung cho 10 slippers", "dung cua 13 slippers", "dung cua 20 slippers", "dung cua 10 slippery", "dung cua 10 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 cua 10 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 cua 10 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cua 10 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cua 10 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.