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