Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van duc cong snippets" » "van duc code snippets", "van duc cuong snippets", "van dung cong snippets", "van nuoc cong snippets", "van duy cong snippets", "van du cong snippets", "tran duc cong 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 duc cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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