Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phap toan xa snippets" » "phap hoan xa snippets", "phap luan xa snippets", "tap toan xa snippets", "phap toan xac snippets", "phap toan va snippets", "phap tan xa snippets"

Try widening your search to All Fields.

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