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