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