Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc toi lua slippers" » "luoc doi lua slippers", "duoc tuoi lua slippers", "nuoc tuoi lua slippers", "luoc toi la slippers", "luoc hoi luan slippers", "luoc thi luan slippers", "luoc toi lua slippery", "luoc toi lua 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: (((("luoc toi lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc toi lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc toi lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc toi lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.