Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu can hoc snippets" » "tu can code snippets", "tu van hoc snippets", "tu dan hoc snippets", "tu cao hoc snippets", "tu ban hoc snippets", "tu cac hoc snippets", "su can hoc 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: (((("tu can hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu can hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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