Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"wei pan hai snippets" » "wei tan hai snippets", "wei tang hai snippets", "wei fang hai snippets", "wei phan hai snippets", "wei van hai snippets", "wei pan hao snippets", "wei pan hai 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: (((("wei pan hai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei pan hai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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