Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cao va slippers" » "hoc cao va slippers", "do cao va slippers", "doc dao va slippers", "doc cao van slippers", "doc tao va slippers", "doc co va slippers", "doc cao va slippery", "doc cao 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: (((("doc cao 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: (((("doc cao va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cao va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cao va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.