Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cac cong snippets" » "dung cac code snippets", "luong cac cong snippets", "dung cho cong snippets", "dung tai cong snippets", "dung cua cong snippets"
"trong using java snippets" » "trong sinh java snippets", "trong using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung cac cong snippets") or ("trong using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac cong snippets") OR ("trong using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cac cong snippets ) or ( trong using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac cong snippets") or ("trong using java snippets"))) or ("locating bug core snippets"))*.