Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van tang van snippets" » "van thang van snippets", "van trang van snippets", "van nang van snippets", "van dang van snippets", "van hoang van snippets", "van trong van 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 ("van tang van snippets"))) or ("locating bug core snippets"))~.
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