Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung chi lan slippers" » "dung cho lan slippers", "dung thi lan slippers", "dung chien lan slippers", "dung chi lang slippers", "dung chi van slippers", "dung chi lan slippery", "dung chi lan 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: (((("dung chi lan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung chi lan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chi lan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chi lan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.