Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"doan think java snippets" » "doan thi java snippets", "doan hinh java snippets", "doan thien java snippets", "doan trinh java snippets"
"dung cac cong snippets" » "luong cac cong snippets", "dung cho cong snippets", "dung tai cong snippets", "dung cua cong 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 cac cong snippets") or ("doan think java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac cong snippets") OR ("doan think java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung cac cong snippets ) or ( doan think java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac cong snippets") or ("doan think java snippets"))) or ("locating bugs code snippets"))*.