Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cac chap snippets" » "dung cac code snippets", "luong cac chap snippets", "dung cho chap snippets", "dung tai chap snippets", "dung cac chat snippets", "dung cac cap snippets", "dung cau chap snippets"
"data using java snippets" » "data 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 chap snippets") or ("data using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac chap snippets") OR ("data using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cac chap snippets ) or ( data using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac chap snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.