Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc khoi dan slippers" » "buoc khoi dan slippers", "cuoc khoi dan slippers", "phuc khoi dan slippers", "luc hoi dan slippers", "luc choi dan slippers", "luc khoi can slippers", "luc khoi dan slippery", "luc khoi 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: (((("luc khoi 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: (((("luc khoi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc khoi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc khoi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.