Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"wei dung vao snippets" » "noi dung vao snippets", "thi dung vao snippets", "mai dung vao snippets", "wei dung va snippets", "wei dung van snippets", "wei dung bao snippets", "wei dung vao 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: (((("wei dung vao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei dung vao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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