Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thuy van bac snippets" » "thuy san bac snippets", "thuc van bac snippets", "chu van bac snippets", "thuy van ban snippets", "thuy van bao snippets", "thuy van hac snippets", "thuy van bac 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: (((("thuy van bac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuy van bac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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