Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc van can snippets" » "duc van code snippets", "duc va can snippets", "duc tan can snippets", "duc manh can snippets", "duc van canh snippets", "duc van ban snippets", "duc ban can snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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