Perhaps you should try some spelling variations:
"binh nhan code snippets" » "benh nhan code snippets", "minh nhan code snippets", "binh han code snippets", "binh nhan co snippets", "binh nhan con snippets", "binh nhan code 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"

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: (((("binh nhan code snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("binh nhan code snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( binh nhan code snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("binh nhan code snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.