Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"su thuy hang snippets" » "su thu hang snippets", "su thuy hong snippets", "su thuy hanh snippets", "su thay hang snippets", "vu thuy hang snippets", "su thua hang snippets", "su thuy hang 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: (((("su thuy hang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su thuy hang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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