Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"duc tang va snippets" » "duc thang va snippets", "duc tan va snippets", "tuc tang va snippets", "duc trang va snippets", "duc tang 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 data snippets") or ("duc tang va snippets"))) or ("locating bug core snippets"))~.
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