Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao va danh slippers" » "dao va dinh slippers", "dao va dan slippers", "dao va hanh slippers", "dao van danh slippers", "tao va danh slippers", "do va danh slippers", "dao va danh slippery", "dao va danh 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: (((("dao va danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao va danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dao va danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.