Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"con than cua snippets" » "con than code snippets", "cong thanh cua snippets", "cong thang cua snippets", "son thanh cua snippets", "con nhan cua snippets", "con thai cua snippets", "con ban cua 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 ("con than cua snippets"))) or ("locating bug core snippets"))~.
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