Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"tran chi lua slippers" » "trang chi lua slippers", "tran thi lua slippers", "toan chi lua slippers", "tran chiu lua slippers", "tran chi cua slippers", "tran thi luan slippers", "tran chi lua slippery", "tran chi 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 ("tran chi lua slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("tran chi lua slippers"))) OR ("locating bug code snippets")).
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