Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua mat dan slippers" » "luat dat dan slippers", "luat bat dan slippers", "lua hat dan slippers", "lua luat dan slippers", "lua mat bang slippers", "lua mat dan slippery", "lua mat 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: (((("lua mat 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: (((("lua mat dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua mat dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua mat dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.