Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hanh la slippers" » "thuc hanh la slippers", "thu thanh la slippers", "thuy hanh la slippers", "thu hanh lam slippers", "thu hanh va slippers", "thu hanh ma slippers", "thu hanh la slippery", "thu hanh la 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 la 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 la 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 la slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.