Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pham hoi dai snippets" » "pham hoai dai snippets", "pham hoa dai snippets", "cham hoi dai snippets", "pham thoi dai snippets", "pham hoi doai snippets", "pham hoc dai snippets", "pham hoi dai 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: (((("pham hoi dai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham hoi dai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hoi dai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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