Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van than vo snippets" » "van than code snippets", "van thanh vo snippets", "van thang vo snippets", "van tuan vo snippets", "van than va snippets", "van than doc snippets", "van than hoc 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: (((("python using java snippets") or ("van than vo snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van than vo snippets"))) OR ("locating bug core snippets")).
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