Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tang ca thuc snippets" » "tang cua thuc snippets", "hang ca thuc snippets", "tang ma thuc snippets", "tang can thuc snippets", "tang cay thuc snippets", "tang va thuc snippets", "tang ca thuc 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: (((("tang ca thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang ca thuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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