Perhaps you should try some spelling variations:
"doi dap trinh snippets" » "doi lap trinh snippets", "doi dan trinh snippets", "doi dap tinh snippets", "hoi dap trinh snippets", "doi dau trinh snippets", "do dap trinh snippets", "doi dap 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: (((("doi dap 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: (((("doi dap trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dap trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dap trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.