Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van dung thieu snippets" » "van dung hieu snippets", "van dung tieu snippets", "van dung thiet snippets", "van dong thieu snippets", "xay dung thieu snippets", "tin dung thieu 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 ("van dung thieu snippets"))) or ("locating bug core snippets"))~.
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