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