Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan trinh cau snippets" » "doan trinh code snippets", "doan tinh cau snippets", "dan trinh cau snippets", "doan hinh cau snippets", "doan trinh chat snippets", "doan trinh chao snippets", "doan trinh tu 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: (((("doan trinh 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: (((("doan trinh cau snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan trinh cau snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan trinh cau snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.