Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh thu anh snippets" » "doanh thu anh snippets", "danh thuc anh snippets", "danh tu anh snippets", "danh thuy anh snippets", "danh thu canh snippets", "danh thu oanh snippets", "danh thu anh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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