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