Perhaps you should try some spelling variations:
"hanh trinh cau snippets" » "canh tranh cau snippets", "hanh chinh cau snippets", "hanh trinh chat snippets", "hanh trinh chao snippets", "hanh trinh tu snippets"
"dung may che snippets" » "dung va che snippets", "dung tai che snippets", "mang may che snippets"
"locating bug code snippets" » "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.

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