Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran hoang deo snippets" » "quan hoang deo snippets", "tran quang deo snippets", "tranh hang deo snippets", "tran hoang de snippets", "tran hoang dieu snippets", "tran hoang bao 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 ("tran hoang deo snippets"))) or ("locating bug core snippets"))~.
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