Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang ha dan slippers" » "long ha dan slippers", "lang hoa dan slippers", "lang hat dan slippers", "lang ha dang slippers", "lang ha dan slippery", "lang ha 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: (((("lang ha 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: (((("lang ha dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang ha dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang ha dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.