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