Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi tim manh slippers" » "phi tim mach slippers", "phi tim hanh slippers", "phi tim man slippers", "phi tien manh slippers", "thai tim manh slippers", "phi tim manh slippery", "phi tim manh 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: (((("phi tim manh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi tim manh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("phi tim manh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.