Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"duy phan phi snippets" » "duc phan phi snippets", "dung phan phi snippets", "duy khanh phi snippets", "duy phan phoi snippets", "duy phan thi snippets", "duy phan phat snippets"

Try widening your search to All Fields.

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