Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"tran tang dam snippets" » "tran thang dam snippets", "tran dang dam snippets", "tran tung dam snippets", "tran tang dan snippets", "tran tong dam snippets", "tran hang dam snippets", "tran tang dam slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "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 ("tran tang dam snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("tran tang dam snippets"))) OR ("locating bug code snippets")).
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