Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dung hoi trong slippers" » "dung choi trong slippers", "dung doi trong slippers", "dung nuoi trong slippers", "duong hoi trong slippers", "dung hoai trong slippers", "dung thoi trong slippers", "dung hoi trong slippery", "dung hoi trong 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 ("dung hoi trong slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dung hoi trong slippers"))) OR ("locating bug code snippets")).
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