Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"trac cau quan slippers" » "truc cau quan slippers", "tra cau quan slippers", "toan cau quan slippers", "trac cau qua slippers", "trac cao quan slippers", "trac ca quan slippers", "trac cau quan slippery", "trac cau quan 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 ("trac cau quan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trac cau quan slippers"))) OR ("locating bug code snippets")).
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