Perhaps you should try some spelling variations:
"dat hoc chat snippets" » "dat hoc code snippets", "dat hoc phat snippets", "dat hoc cao snippets", "dat hoc phan snippets", "dai hoc chat snippets", "vat hoc chat snippets", "dan hoc chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("dat hoc chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dat hoc chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dat hoc chat snippets ))) or ( locating bug core snippets )).
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