Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tra co cham snippets" » "tra co code snippets", "tra ca cham snippets", "tra co champa snippets", "tra cao chat snippets", "tra cho cham snippets", "tra cong cham snippets", "tranh co cham 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: (((("tra co cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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