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 mat snippets" » "phan van mat snippets", "phan tap mat snippets", "phan lan mat snippets", "phan tan tat snippets", "phan gan mat snippets", "phan tan dat snippets"

Try widening your search to All Fields.

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