Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"dung le vu snippets" » "dung len vu snippets", "dung he vu snippets", "dung de vu snippets", "dung le va snippets", "dung lo vu 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 le vu snippets") or ("python using java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung le vu snippets") OR ("python using java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung le vu snippets ) or ( python using java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung le vu snippets") or ("python using java slippers"))) or ("locating bugs code snippets"))*.