Perhaps you should try some spelling variations:
"tan cuong trinh snippets" » "tan chuong trinh snippets", "tan cong trinh snippets", "tan phuong trinh snippets", "tang cuong trinh snippets", "van cuong trinh snippets", "van chuong trinh snippets", "tan cuong trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("tan cuong trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan cuong trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan cuong trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan cuong trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.