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