Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dang nhung van snippets" » "dang hung van snippets", "dung nhung van snippets", "sang nhung van snippets", "dang phung van snippets", "dang nhung bai snippets", "dang nhung cau 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 ("dang nhung van snippets"))) or ("locating bug core snippets"))~.
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