Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi phan thu snippets" » "phoi phan thu snippets", "chi phan thu snippets", "phe phan thu snippets", "phi phan thuc snippets", "phi phan tu snippets", "phi phan thi snippets"

Try widening your search to All Fields.

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