Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran han tu slippers" » "tran hanh tu slippers", "tran hoan tu slippers", "tran nhan tu slippers", "tran phan tu slippers", "tran ban tu slippers", "tran han tu slippery", "tran han tu grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran han tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran han tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("tran han tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.