Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"hoc cach phi slippers" » "hoc cac phi slippers", "hoc sach phi slippers", "cuoc cach phi slippers", "hoc cach pha slippers", "hoc cach thoi slippers", "hoc cach nhin slippers", "hoc cach phi slippery", "hoc cach phi 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 ("hoc cach phi slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("hoc cach phi slippers"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoc cach phi slippers"))) or ("locating bug code snippets"))*.