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