Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hung pham vi snippets" » "nhung pham vi snippets", "nhung phat vi snippets", "dung phan vi snippets", "hung pham va snippets", "hung phat vi snippets", "hung pham vu snippets", "hung pham vi 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: (((("hung pham vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung pham vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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