Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung chu va slippers" » "nhung cau va slippers", "nhung phu va slippers", "hung chu va slippers", "nhung chu van slippers", "nhung chuc va slippers", "nhung chua va slippers", "nhung chu va slippery", "nhung chu va 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: (((("nhung chu va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung chu va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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