Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoat doi hai snippets" » "hoa doi hai snippets", "hat doi hai snippets", "hoat dong hai snippets", "hoat dai hai snippets", "hoat do hai snippets", "hoat doc hai snippets", "hoat doi 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: (((("hoat doi 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: (((("hoat doi hai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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