Perhaps you should try some spelling variations:
"trinh bang cot snippets" » "trinh bong cot snippets", "trinh ban cot snippets", "tinh bang cot snippets", "trinh bang cong snippets", "trinh tong cot snippets", "trinh bang cac snippets"
"dung java java snippets" » "dung va java 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: (((("trinh bang 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: (((("trinh bang cot snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh bang cot snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh bang cot snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.