Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pho hoi trac snippets" » "pho ho trac snippets", "pho voi trac snippets", "pho hai trac snippets", "pho hoi trach snippets", "pho hoi tran snippets", "pho hoi tac snippets", "pho hoi trac 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: (((("pho hoi trac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho hoi trac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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