Perhaps you should try some spelling variations:
"trinh cau lieu snippets" » "trinh chat lieu snippets", "trinh chao lieu snippets", "trinh tu lieu snippets", "trinh cau dieu snippets", "trinh cu lieu snippets", "trinh cau trieu snippets", "trinh cau lieu slippers"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets", "dung cong 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: (((("trinh cau lieu snippets") or ("dung cong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cau lieu snippets") OR ("dung cong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cau lieu snippets ) or ( dung cong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cau lieu snippets") or ("dung cong code snippets"))) or ("locating bug code snippets"))*.