Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung tuan kiet snippets" » "duong tuan kiet snippets", "dung luan kiet snippets", "dung quan kiet snippets", "dung luan ket snippets", "dung xuan viet snippets", "dung quan viet 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 ("dung tuan kiet snippets"))) or ("locating bug core snippets"))~.
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