Perhaps you should try some spelling variations:
"tran doi trinh snippets" » "tran doc trinh snippets", "tran doi tinh snippets", "tran dong trinh snippets", "truan doi trinh snippets", "trao doi trinh snippets", "tren doi trinh snippets", "tran doi 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: (((("tran doi 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: (((("tran doi trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran doi trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran doi trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.