Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"tan hoi lua slippers" » "dan hoi lua slippers", "tao hoi lua slippers", "tay hoi lua slippers", "tan hoi luan slippers", "tan hoi luat slippers", "tan hoi cua slippers", "tan hoi lua slippery", "tan hoi lua grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("tan hoi lua slippers"))) or ("locating bug code snippets"))~.
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