Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc va ngoc slippers" » "toc van ngoc slippers", "toc vu ngoc slippers", "toc ma ngoc slippers", "hoc va ngoc slippers", "toc ta ngoc slippers", "tuc va ngoc slippers", "toc va ngoc slippery", "toc va ngoc 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 va ngoc 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 va ngoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc va ngoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc va ngoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.