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