Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hanh may slippers" » "thuc hanh may slippers", "thu thanh may slippers", "thuy hanh may slippers", "thu hanh ma slippers", "thu hanh mau slippers", "thu hanh ngay slippers", "thu hanh may slippery", "thu hanh may 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: (((("thu hanh may slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hanh may slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("thu hanh may slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.