Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cau cong snippets" » "cong cau code snippets", "cong cu cong snippets", "cong chuc cong snippets", "thong cau cong snippets", "cong cac cong snippets", "cong cuu cong snippets", "cong cao cong snippets"
"dang java java snippets" » "dang 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: (((("dang java java snippets") or ("cong cau cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("cong cau cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( cong cau cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("cong cau cong snippets"))) or ("locating bug core snippets"))*.