Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap phan van slippers" » "dam phan van slippers", "dap phap van slippers", "cap phan van slippers", "dap pham van slippers", "dap thanh van slippers", "dap luan van slippers", "dap phan van slippery", "dap phan van 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: (((("dap phan van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap phan van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dap phan van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.