Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung trinh java snippets" » "dung tinh java snippets", "dong trinh java snippets", "cong trinh java snippets"
"dung can thi snippets" » "dung cac thi snippets", "dung san thi snippets", "dung van thi snippets", "dung cau thi snippets", "dung dan thi 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 can thi snippets") or ("dung trinh java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung can thi snippets") OR ("dung trinh java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung can thi snippets ) or ( dung trinh java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung can thi snippets") or ("dung trinh java snippets"))) or ("locating bug core snippets"))*.