Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ket thuc ben snippets" » "kien thuc ben snippets", "viet thuc ben snippets", "ve thuc ben snippets", "ket thuc ban snippets", "ket thuc hien snippets", "ket thuc tien snippets", "ket thuc ben 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: (((("ket thuc ben snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ket thuc ben snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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