Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duoc so cuu snippets" » "duoc so code snippets", "duoc si cuu snippets", "duoc co cuu snippets", "duoc su cuu snippets", "duoc so huu snippets", "duoc ho cuu snippets", "duoc so 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 ("duoc so cuu snippets"))) or ("locating bug core snippets"))~.
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