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