Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van huy lua slippers" » "van duy lua slippers", "van hung lua slippers", "van quy luat slippers", "van thuy luc slippers", "van huy quan slippers", "van huy lua slippery", "van huy 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: (((("van huy 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: (((("van huy lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("van huy lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.