Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao thi phan slippers" » "cao thai phan slippers", "cao thi phap slippers", "cao tai phan slippers", "cau thi phan slippers", "dao thi phan slippers", "cao thi phan slippery", "cao thi phan 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: (((("cao thi phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao thi phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cao thi phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.