Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"peng cam thu snippets" » "peng cao thu snippets", "dung cam thu snippets", "den cam thu snippets", "peng nam thu snippets", "peng cac thu snippets", "peng ca thu snippets", "peng cam thu 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: (((("peng cam thu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("peng cam thu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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