Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phu dot phan snippets" » "phu dot pha snippets", "phu doc phan snippets", "phu mot phan snippets", "phu doi phan snippets", "phu do phan snippets", "phap dot phan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phu dot phan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu dot phan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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