Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong hoa cot snippets" » "dong hoa cot snippets", "dong hoc cot snippets", "hang hoa cot snippets", "cong hoa co snippets", "cong hoa mot snippets", "cong hoa chat 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: (((("cong hoa cot snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hoa cot snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hoa cot snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoa cot snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.