Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung lan huong snippets" » "dung lan phuong snippets", "dung lan thuong snippets", "dung ban huong snippets", "dung luan huong snippets", "dung land huong snippets", "dung lam huong 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 lan huong snippets"))) or ("locating bug core snippets"))~.
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