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