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