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