Perhaps you should try some spelling variations:
"nhap mon trinh snippets" » "nhap cong trinh snippets", "nhap dong trinh snippets", "nhap co trinh snippets", "phap mon trinh snippets", "nhan mon trinh snippets", "nhat mon trinh snippets", "nhap mon 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhap mon 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: (((("nhap mon trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap mon trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap mon trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.