Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc qua dan slippers" » "goc qua dan slippers", "tac quan dan slippers", "hoc quan dan slippers", "toc qua danh slippers", "toc qua ban slippers", "toc cua dan slippers", "toc qua dan slippery", "toc qua dan 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: (((("toc qua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc qua dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("toc qua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.