Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc anh tuan slippers" » "hoc anh tuan slippers", "ngoc anh tuan slippers", "toc kinh tuan slippers", "toc anh quan slippers", "toc anh tran slippers", "toc anh luan slippers", "toc anh tuan slippery", "toc anh tuan 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 anh tuan 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 anh tuan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc anh tuan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc anh tuan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.