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