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