Perhaps you should try some spelling variations:
"chung than phan snippets" » "chung nhan phan snippets", "chung han phan snippets", "cung than phan snippets", "chung thanh phan snippets", "chung toan phan snippets", "chung thanh pham snippets", "chung than phan 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: (((("chung than phan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung than phan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung than phan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung than phan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.