Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa am van snippets" » "khoa cam van snippets", "hoa am van snippets", "khoa kham van snippets", "khoa nam van snippets", "khoa dam van snippets", "khoa tam van snippets", "khoa am van 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: (((("khoa am van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa am van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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