Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"phan phan trac slippers" » "phap phan trac slippers", "phan phat trac slippers", "than phan trac slippers", "phan phan tap slippers", "phan phan cac slippers", "phan phan tan slippers", "phan phan trac slippery", "phan phan 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 ("phan phan 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 ("phan phan trac slippers"))) OR ("locating bug code snippets")).
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