Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cach dam lan snippets" » "cach lam lan snippets", "cac dan lan snippets", "sach dao lan snippets", "cach dam van snippets", "cach dam phan snippets", "cach pham lan snippets", "cach dam lan 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: (((("cach dam lan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach dam lan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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