Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha toan tin snippets" » "phap toan tin snippets", "pha tan tin snippets", "phap hoan tin snippets", "pha toan tien snippets", "pha toan dien snippets", "pha toan ban snippets"

Try widening your search to All Fields.

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