Perhaps you should try some spelling variations:
"doan lieu dao snippets" » "doan dieu dao snippets", "dan lieu dao snippets", "doanh hieu dao snippets", "doan lieu nano snippets", "doan lieu va snippets", "doan lieu tai snippets", "doan lieu dao slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("doan lieu dao snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan lieu dao snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan lieu dao snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan lieu dao snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.