Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung quan cau snippets" » "dung quan code snippets", "dung quang cau snippets", "dung luan cau snippets", "luong quan cau snippets", "dung quang cao snippets", "dung toan cau snippets", "dung quan ha snippets"
"data using java snippets" » "data using data 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 quan cau 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 quan cau snippets") OR ("data using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung quan cau snippets ) or ( data using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quan cau snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.