Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung thi bao slippers" » "dung tai bao slippers", "dung tri bao slippers", "dung chi bao slippers", "dung thi hao slippers", "dung thi ba slippers", "dung thi bao slippery", "dung thi bao 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 thi bao 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 thi bao slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thi bao slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi bao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.