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