Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc viet su slippers" » "hoc viet su slippers", "thuc hien su slippers", "thuc vat su slippers", "thuc viet suu slippers", "thuc viet sau slippers", "thuc viet tu slippers", "thuc viet su slippery", "thuc viet su grippers"
"locating bug code snippets" » "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: (((("thuc viet su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc viet su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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