Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu oanh anh snippets" » "thuy oanh anh snippets", "thi oanh anh snippets", "thu canh anh snippets", "thu doanh anh snippets", "thu oanh oanh snippets", "thu anh anh snippets", "thu oanh 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: (((("thu oanh 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: (((("thu oanh anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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