Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dao doi khang slippers" » "dao do khang slippers", "dao noi khang slippers", "dao voi khang slippers", "dao doi hang slippers", "dao doi khong slippers", "dao doi thang slippers", "dao doi khang slippery", "dao doi khang 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 ("dao doi khang slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dao doi khang slippers"))) OR ("locating bug code snippets")).
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