Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung cac di snippets" » "chung cac code snippets", "chung cach di snippets", "cung cac di snippets", "chung cu di snippets", "chung cac dai snippets", "chung cac dia snippets", "chung cac doi 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 ("chung cac di snippets"))) or ("locating bug core snippets"))~.
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