Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung lap doc snippets" » "dung lap code snippets", "dung lam doc snippets", "dung lai doc snippets", "dung lao doc snippets", "dung lap doi snippets", "dung lap dong snippets", "dung phap doc 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: (((("dung lap doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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