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