Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung ve tac slippers" » "dung va tac slippers", "dung he tac slippers", "dung de tac slippers", "dung ve cac slippers", "dung ve tac slippery", "dung ve tac 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 ve tac 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 ve tac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ve tac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ve tac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.