Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac che khoa snippets" » "cac chi khoa snippets", "cac chua khoa snippets", "cac chai khoa snippets", "cac he khoa snippets", "cac chien khoa snippets", "cac chat khoa snippets", "cac che khoa 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: (((("cac che khoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac che khoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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