Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao du 01 slippers" » "dao duc 01 slippers", "dao duy 01 slippers", "dao do 01 slippers", "dao d 01 slippers", "dao dk 01 slippers", "dao tu 01 slippers", "dao du 01 slippery", "dao du 01 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 du 01 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 du 01 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao du 01 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao du 01 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.