Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"nang tran hoan snippets" » "dang tran hoan snippets", "quang tran hoan snippets", "hoang tran hoan snippets", "nang tran hoang snippets", "nang tuan hoan snippets", "nang tran doan snippets"
"locating bug core snippets" » "locating bug code snippets"

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("nang tran hoan snippets"))) or ("locating bug core snippets"))~.
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