Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc si lua slippers" » "duoc si lua slippers", "quoc so lua slippers", "quoc su lua slippers", "quoc vi lua slippers", "quoc si lua slippery", "quoc si 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: (((("quoc si 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: (((("quoc si lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc si lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc si lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.