Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"zheng ly va slippers" » "zheng liu va slippers", "hang ly va slippers", "thong ly va slippers", "zheng ly va slippery", "zheng ly va 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: (((("zheng ly va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("zheng ly va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( zheng ly va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("zheng ly va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.