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