Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tom cac chat snippets" » "tom cac code snippets", "tom cao chat snippets", "tom cac thuat snippets", "tom cac nha snippets", "ton cac chat snippets", "gom cac chat snippets", "nom cac chat 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: (((("tom cac chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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