Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung van cai snippets" » "dung van code snippets", "duong van cai snippets", "dung va cai snippets", "dang van cai snippets", "dung van hai snippets", "dung van chi snippets", "dung van cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("dung van cai snippets"))) or ("locating bug core snippets"))~.
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