Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"nhung cau thep snippets" » "chung cu thep snippets", "nhung bai thep snippets", "nhu cau thep snippets", "nhung cau theo snippets", "nhung cau thi snippets", "nhung cot thep snippets"
"locating bug core snippets" » "locating bug 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 ("nhung cau thep snippets"))) or ("locating bug core snippets"))~.
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