Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van van mong snippets" » "van van code snippets", "van van dong snippets", "van van cong snippets", "van va mong snippets", "van ban mong snippets", "tan van mong snippets", "san van mong 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: (((("van van mong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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