Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"doanh cao trac slippers" » "doanh co trac slippers", "doanh bao trac slippers", "doanh cho trac slippers", "doanh cao thach slippers", "doanh cao tai slippers", "doanh tap trac slippers", "doanh cao trac slippery", "doanh cao trac 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 ("doanh cao trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("doanh cao trac slippers"))) OR ("locating bug code snippets")).
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