Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh thong cau snippets" » "trinh thong code snippets", "trinh thuong cau snippets", "trinh trong cau snippets", "trinh tong cau snippets", "trinh thong cac snippets", "trinh thong cap snippets", "trinh thong 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: (((("dung java java snippets") or ("trinh thong 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 ("trinh thong cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh thong cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh thong cau snippets"))) or ("locating bug core snippets"))*.