Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang mat dan slippers" » "dang mat dan slippers", "lang hat dan slippers", "lang mai dan slippers", "lang luat dan slippers", "lang mat bang slippers", "lang mat dan slippery", "lang mat dan 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: (((("lang mat dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang mat dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang mat dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang mat dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.