Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh tong liu snippets" » "anh trong liu snippets", "anh thong liu snippets", "anh dong liu snippets", "anh qiong liu snippets", "anh cong li snippets", "anh hong li snippets", "anh tong liu 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: (((("anh tong liu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh tong liu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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