Perhaps you should try some spelling variations:
"hanh dan trinh snippets" » "hanh dan tinh snippets", "hanh van trinh snippets", "hanh hanh trinh snippets", "thanh dan trinh snippets", "hanh san trinh snippets", "canh dan trinh snippets", "hanh dan trinh slippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets", "dung cac code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hanh dan trinh snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh dan trinh snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh dan trinh snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh dan trinh snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.