Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luat danh cau snippets" » "luat danh code snippets", "luat doanh cau snippets", "luat dan cau snippets", "luat canh cau snippets", "luat danh dau snippets", "luat danh ca snippets", "luat danh hau 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 ("luat danh cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("luat danh cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( luat danh cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("luat danh cau snippets"))) or ("locating bug core snippets"))*.