Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung phi van slippers" » "dung phu van slippers", "xung phi van slippers", "dung chi van slippers", "dung phi san slippers", "dung thi van slippers", "dung phi va slippers", "dung phi van slippery", "dung phi 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: (((("dung phi 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: (((("dung phi van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung phi van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.