Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan tan van snippets" » "phan van van snippets", "phan tap van snippets", "phan lan van snippets", "phan tran van snippets", "phan tang van snippets", "phan luan van snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan tan van snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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