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