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