Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong quan su slippers" » "duong quan su slippers", "dong quang su slippers", "dung quan su slippers", "dong quan cua slippers", "dong quan su slippery", "dong quan su 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 quan su 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 quan su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong quan su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong quan su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.