Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"cac thu hoc snippets" » "cach thuc hoc snippets", "cac thoi hoc snippets", "cac tu hoc snippets", "cac thu hoi snippets", "cac tru hoc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac thu hoc snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
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