Perhaps you should try some spelling variations:
"chinh phan code snippets" » "chinh phat code snippets", "chinh ngan code snippets", "thanh phan code snippets", "chinh phan cong snippets", "chinh phan co snippets", "chinh phan che snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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