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