Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc van tang snippets" » "hoc van thang snippets", "hoc van trang snippets", "hoc van nang snippets", "hoc dan tang snippets", "hoc va tang snippets", "hoc vat tang snippets"

Try widening your search to All Fields.

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