Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan tong cot snippets" » "phan tong code snippets", "phan trong cot snippets", "phan cong cot snippets", "han tong cot snippets", "phan tong cong snippets", "phan tong hop snippets", "phan dong co snippets"
"dung java java snippets" » "dung va java 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: (((("phan tong cot snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan tong cot snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan tong cot snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tong cot snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.