Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu nam hung snippets" » "thu nam nhung snippets", "thu nam vung snippets", "thu cam hung snippets", "tu nam hung snippets", "thu nhap hung snippets", "thu nhat hung snippets", "thu nam hung 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: (((("thu nam hung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu nam hung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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