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