Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung du lap slippers" » "dung de lap slippers", "dung cu lap slippers", "dung cua lap slippers", "dung tu lap slippers", "dung du tap slippers", "dung dung lap slippers", "dung du lap slippery", "dung du lap 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 du lap 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 du lap slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung du lap slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung du lap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.