Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mong coc hoc snippets" » "mong coc code snippets", "cong coc hoc snippets", "mong cac hoc snippets", "mong cong hoc snippets", "mong co hoc snippets", "mong toc hoc snippets", "mong hoc hoc 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: (((("mong coc hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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